Finding the Fourth Proportional to 88,896.29, 122,680.17 and 48,607.70
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Solution
The fourth proportional to 88,896.29, 122,680.17 and 48,607.70 is: 67,080.42
Step by Step Solution
- Step 1: Write the proportion equation
88,896.29 : 122,680.17 = 48,607.70 : x - Step 2: Convert to fraction form
88,896.29/122,680.17 = 48,607.70/x - Step 3: Cross multiply
88,896.29x = 122,680.17 × 48,607.70 - Step 4: Simplify right side
88,896.29x = 5,963,200,285.91 - Step 5: Solve for x
x = 5,963,200,285.91/88,896.29 - Step 6: Final answer
x = 67,080.42
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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.