Finding the Fourth Proportional to 83,489.73, 125,288.88 and 36,151.05
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Solution
The fourth proportional to 83,489.73, 125,288.88 and 36,151.05 is: 54,250.08
Step by Step Solution
- Step 1: Write the proportion equation
83,489.73 : 125,288.88 = 36,151.05 : x - Step 2: Convert to fraction form
83,489.73/125,288.88 = 36,151.05/x - Step 3: Cross multiply
83,489.73x = 125,288.88 × 36,151.05 - Step 4: Simplify right side
83,489.73x = 4,529,324,565.32 - Step 5: Solve for x
x = 4,529,324,565.32/83,489.73 - Step 6: Final answer
x = 54,250.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.