Finding the Fourth Proportional to 80,724.86, 121,105.71 and 24,572.92
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Solution
The fourth proportional to 80,724.86, 121,105.71 and 24,572.92 is: 36,864.99
Step by Step Solution
- Step 1: Write the proportion equation
80,724.86 : 121,105.71 = 24,572.92 : x - Step 2: Convert to fraction form
80,724.86/121,105.71 = 24,572.92/x - Step 3: Cross multiply
80,724.86x = 121,105.71 × 24,572.92 - Step 4: Simplify right side
80,724.86x = 2,975,920,923.37 - Step 5: Solve for x
x = 2,975,920,923.37/80,724.86 - Step 6: Final answer
x = 36,864.99
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1.5x scale
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.