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The amount to be invested now is \$69,954.38.
Solución
To find the present value (PV) needed to accumulate a desired amount in the future, we can use the present value formula for compound interest:
\[
PV = \frac{FV}{(1 + r/n)^{nt}}
\]
Where:
- \( FV \) is the future value (the desired accumulated amount),
- \( r \) is the annual interest rate (as a decimal),
- \( n \) is the number of times that interest is compounded per year,
- \( t \) is the number of years the money is invested.
Given:
- \( FV = 100,000 \)
- \( r = 0.06 \) (6% as a decimal)
- \( n = 4 \) (quarterly compounding)
- \( t = 6 \)
Now, we can substitute these values into the formula step by step.
1. Calculate \( r/n \):
\[
r/n = \frac{0.06}{4}
\]
2. Calculate \( nt \):
\[
nt = 4 \times 6
\]
3. Substitute these values into the present value formula:
\[
PV = \frac{100,000}{(1 + r/n)^{nt}}
\]
Let's perform these calculations.
Calculate the value by following steps:
- step0: Calculate:
\(4\times 6\)
- step1: Multiply the numbers:
\(24\)
Calculate or simplify the expression \( 0.06/4 \).
Calculate the value by following steps:
- step0: Calculate:
\(\frac{0.06}{4}\)
- step1: Convert the expressions:
\(\frac{\frac{3}{50}}{4}\)
- step2: Multiply by the reciprocal:
\(\frac{3}{50}\times \frac{1}{4}\)
- step3: Multiply the fractions:
\(\frac{3}{50\times 4}\)
- step4: Multiply:
\(\frac{3}{200}\)
Calculate or simplify the expression \( (1 + 0.015)^(24) \).
Calculate the value by following steps:
- step0: Calculate:
\(\left(1+0.015\right)^{24}\)
- step1: Add the numbers:
\(1.015^{24}\)
- step2: Convert the expressions:
\(\left(\frac{203}{200}\right)^{24}\)
- step3: Use the properties of exponents:
\(\frac{203^{24}}{200^{24}}\)
Calculate or simplify the expression \( 100000/(1.429503) \).
Calculate the value by following steps:
- step0: Calculate:
\(\frac{100000}{1.429503}\)
- step1: Convert the expressions:
\(\frac{100000}{\frac{1429503}{1000000}}\)
- step2: Multiply by the reciprocal:
\(100000\times \frac{1000000}{1429503}\)
- step3: Multiply:
\(\frac{100000\times 1000000}{1429503}\)
- step4: Multiply:
\(\frac{100000000000}{1429503}\)
Now, let's summarize the calculations step by step:
1. **Calculate \( r/n \)**:
\[
r/n = \frac{0.06}{4} = 0.015
\]
2. **Calculate \( nt \)**:
\[
nt = 4 \times 6 = 24
\]
3. **Calculate \( (1 + r/n)^{nt} \)**:
\[
(1 + 0.015)^{24} \approx 1.429503
\]
4. **Substitute into the present value formula**:
\[
PV = \frac{100,000}{1.429503} \approx 69,954.38
\]
Thus, the amount to be invested now, or the present value needed, is approximately \( \$ 69,954.38 \).
So, the final answer is:
The amount to be invested now, or the present value needed, is \( \$ 69,954.38 \).
Respondido por UpStudy AI y revisado por un tutor profesional

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