Finding the Fourth Proportional to 88,891.70, 133,337.68 and 36,301.18
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Solution
The fourth proportional to 88,891.70, 133,337.68 and 36,301.18 is: 54,451.82
Step by Step Solution
- Step 1: Write the proportion equation
88,891.70 : 133,337.68 = 36,301.18 : x - Step 2: Convert to fraction form
88,891.70/133,337.68 = 36,301.18/x - Step 3: Cross multiply
88,891.70x = 133,337.68 × 36,301.18 - Step 4: Simplify right side
88,891.70x = 4,840,314,940.96 - Step 5: Solve for x
x = 4,840,314,940.96/88,891.70 - Step 6: Final answer
x = 54,451.82
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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.