Finding the Fourth Proportional to 84,108.13, 126,140.70 and 24,929.97
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Solution
The fourth proportional to 84,108.13, 126,140.70 and 24,929.97 is: 37,388.58
Step by Step Solution
- Step 1: Write the proportion equation
84,108.13 : 126,140.70 = 24,929.97 : x - Step 2: Convert to fraction form
84,108.13/126,140.70 = 24,929.97/x - Step 3: Cross multiply
84,108.13x = 126,140.70 × 24,929.97 - Step 4: Simplify right side
84,108.13x = 3,144,683,866.78 - Step 5: Solve for x
x = 3,144,683,866.78/84,108.13 - Step 6: Final answer
x = 37,388.58
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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.