Finding the Fourth Proportional to 83,432.97, 125,194.41 and 60,639.30
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Solution
The fourth proportional to 83,432.97, 125,194.41 and 60,639.30 is: 90,991.62
Step by Step Solution
- Step 1: Write the proportion equation
83,432.97 : 125,194.41 = 60,639.30 : x - Step 2: Convert to fraction form
83,432.97/125,194.41 = 60,639.30/x - Step 3: Cross multiply
83,432.97x = 125,194.41 × 60,639.30 - Step 4: Simplify right side
83,432.97x = 7,591,701,386.31 - Step 5: Solve for x
x = 7,591,701,386.31/83,432.97 - Step 6: Final answer
x = 90,991.62
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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.