Finding the Fourth Proportional to 88,714.28, 122,369.46 and 67,446.92
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Solution
The fourth proportional to 88,714.28, 122,369.46 and 67,446.92 is: 93,033.99
Step by Step Solution
- Step 1: Write the proportion equation
88,714.28 : 122,369.46 = 67,446.92 : x - Step 2: Convert to fraction form
88,714.28/122,369.46 = 67,446.92/x - Step 3: Cross multiply
88,714.28x = 122,369.46 × 67,446.92 - Step 4: Simplify right side
88,714.28x = 8,253,443,179.06 - Step 5: Solve for x
x = 8,253,443,179.06/88,714.28 - Step 6: Final answer
x = 93,033.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.