Finding the Fourth Proportional to 126,972.97, 175,224.68 and 69,617.53
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Solution
The fourth proportional to 126,972.97, 175,224.68 and 69,617.53 is: 96,073.27
Step by Step Solution
- Step 1: Write the proportion equation
126,972.97 : 175,224.68 = 69,617.53 : x - Step 2: Convert to fraction form
126,972.97/175,224.68 = 69,617.53/x - Step 3: Cross multiply
126,972.97x = 175,224.68 × 69,617.53 - Step 4: Simplify right side
126,972.97x = 12,198,708,192.43 - Step 5: Solve for x
x = 12,198,708,192.43/126,972.97 - Step 6: Final answer
x = 96,073.27
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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.