Finding the Fourth Proportional to 67,432.75, 101,153.99 and 25,879.75
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Solution
The fourth proportional to 67,432.75, 101,153.99 and 25,879.75 is: 38,821.49
Step by Step Solution
- Step 1: Write the proportion equation
67,432.75 : 101,153.99 = 25,879.75 : x - Step 2: Convert to fraction form
67,432.75/101,153.99 = 25,879.75/x - Step 3: Cross multiply
67,432.75x = 101,153.99 × 25,879.75 - Step 4: Simplify right side
67,432.75x = 2,617,839,843.30 - Step 5: Solve for x
x = 2,617,839,843.30/67,432.75 - Step 6: Final answer
x = 38,821.49
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1.5x scale
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.