Finding the Fourth Proportional to 88,737.13, 122,457.61 and 48,451.78
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Solution
The fourth proportional to 88,737.13, 122,457.61 and 48,451.78 is: 66,863.66
Step by Step Solution
- Step 1: Write the proportion equation
88,737.13 : 122,457.61 = 48,451.78 : x - Step 2: Convert to fraction form
88,737.13/122,457.61 = 48,451.78/x - Step 3: Cross multiply
88,737.13x = 122,457.61 × 48,451.78 - Step 4: Simplify right side
88,737.13x = 5,933,289,179.05 - Step 5: Solve for x
x = 5,933,289,179.05/88,737.13 - Step 6: Final answer
x = 66,863.66
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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.