Finding the Fourth Proportional to 86,337.25, 129,513.21 and 24,007.75
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Solution
The fourth proportional to 86,337.25, 129,513.21 and 24,007.75 is: 36,013.66
Step by Step Solution
- Step 1: Write the proportion equation
86,337.25 : 129,513.21 = 24,007.75 : x - Step 2: Convert to fraction form
86,337.25/129,513.21 = 24,007.75/x - Step 3: Cross multiply
86,337.25x = 129,513.21 × 24,007.75 - Step 4: Simplify right side
86,337.25x = 3,109,320,767.38 - Step 5: Solve for x
x = 3,109,320,767.38/86,337.25 - Step 6: Final answer
x = 36,013.66
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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.