Finding the Fourth Proportional to 88,864.13, 122,632.46 and 48,578.05
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Solution
The fourth proportional to 88,864.13, 122,632.46 and 48,578.05 is: 67,037.69
Step by Step Solution
- Step 1: Write the proportion equation
88,864.13 : 122,632.46 = 48,578.05 : x - Step 2: Convert to fraction form
88,864.13/122,632.46 = 48,578.05/x - Step 3: Cross multiply
88,864.13x = 122,632.46 × 48,578.05 - Step 4: Simplify right side
88,864.13x = 5,957,245,773.50 - Step 5: Solve for x
x = 5,957,245,773.50/88,864.13 - Step 6: Final answer
x = 67,037.69
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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.