Finding the Fourth Proportional to 77,146.43, 115,727.84 and 24,543.61
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Solution
The fourth proportional to 77,146.43, 115,727.84 and 24,543.61 is: 36,818.02
Step by Step Solution
- Step 1: Write the proportion equation
77,146.43 : 115,727.84 = 24,543.61 : x - Step 2: Convert to fraction form
77,146.43/115,727.84 = 24,543.61/x - Step 3: Cross multiply
77,146.43x = 115,727.84 × 24,543.61 - Step 4: Simplify right side
77,146.43x = 2,840,378,651.10 - Step 5: Solve for x
x = 2,840,378,651.10/77,146.43 - Step 6: Final answer
x = 36,818.02
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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.