Finding the Fourth Proportional to 84,145.92, 126,218.84 and 24,981.56
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Solution
The fourth proportional to 84,145.92, 126,218.84 and 24,981.56 is: 37,472.33
Step by Step Solution
- Step 1: Write the proportion equation
84,145.92 : 126,218.84 = 24,981.56 : x - Step 2: Convert to fraction form
84,145.92/126,218.84 = 24,981.56/x - Step 3: Cross multiply
84,145.92x = 126,218.84 × 24,981.56 - Step 4: Simplify right side
84,145.92x = 3,153,143,524.59 - Step 5: Solve for x
x = 3,153,143,524.59/84,145.92 - Step 6: Final answer
x = 37,472.33
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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.