Finding the Fourth Proportional to 72,491.97, 100,044.36 and 40,232.67
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Solution
The fourth proportional to 72,491.97, 100,044.36 and 40,232.67 is: 55,524.10
Step by Step Solution
- Step 1: Write the proportion equation
72,491.97 : 100,044.36 = 40,232.67 : x - Step 2: Convert to fraction form
72,491.97/100,044.36 = 40,232.67/x - Step 3: Cross multiply
72,491.97x = 100,044.36 × 40,232.67 - Step 4: Simplify right side
72,491.97x = 4,025,051,721.24 - Step 5: Solve for x
x = 4,025,051,721.24/72,491.97 - Step 6: Final answer
x = 55,524.10
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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.