Finding the Fourth Proportional to 77,244.12, 115,864.56 and 24,652.71
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Solution
The fourth proportional to 77,244.12, 115,864.56 and 24,652.71 is: 36,978.55
Step by Step Solution
- Step 1: Write the proportion equation
77,244.12 : 115,864.56 = 24,652.71 : x - Step 2: Convert to fraction form
77,244.12/115,864.56 = 24,652.71/x - Step 3: Cross multiply
77,244.12x = 115,864.56 × 24,652.71 - Step 4: Simplify right side
77,244.12x = 2,856,375,396.96 - Step 5: Solve for x
x = 2,856,375,396.96/77,244.12 - Step 6: Final answer
x = 36,978.55
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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.