Finding the Fourth Proportional to 88,957.17, 122,761.80 and 48,670.02
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Solution
The fourth proportional to 88,957.17, 122,761.80 and 48,670.02 is: 67,165.12
Step by Step Solution
- Step 1: Write the proportion equation
88,957.17 : 122,761.80 = 48,670.02 : x - Step 2: Convert to fraction form
88,957.17/122,761.80 = 48,670.02/x - Step 3: Cross multiply
88,957.17x = 122,761.80 × 48,670.02 - Step 4: Simplify right side
88,957.17x = 5,974,819,261.24 - Step 5: Solve for x
x = 5,974,819,261.24/88,957.17 - Step 6: Final answer
x = 67,165.12
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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.