Finding the Fourth Proportional to 86,217.96, 129,332.41 and 27,055.97
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Solution
The fourth proportional to 86,217.96, 129,332.41 and 27,055.97 is: 40,585.66
Step by Step Solution
- Step 1: Write the proportion equation
86,217.96 : 129,332.41 = 27,055.97 : x - Step 2: Convert to fraction form
86,217.96/129,332.41 = 27,055.97/x - Step 3: Cross multiply
86,217.96x = 129,332.41 × 27,055.97 - Step 4: Simplify right side
86,217.96x = 3,499,213,023.05 - Step 5: Solve for x
x = 3,499,213,023.05/86,217.96 - Step 6: Final answer
x = 40,585.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.