Finding the Fourth Proportional to 83,915.88, 125,843.84 and 27,745.62
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Solution
The fourth proportional to 83,915.88, 125,843.84 and 27,745.62 is: 41,608.52
Step by Step Solution
- Step 1: Write the proportion equation
83,915.88 : 125,843.84 = 27,745.62 : x - Step 2: Convert to fraction form
83,915.88/125,843.84 = 27,745.62/x - Step 3: Cross multiply
83,915.88x = 125,843.84 × 27,745.62 - Step 4: Simplify right side
83,915.88x = 3,491,615,363.98 - Step 5: Solve for x
x = 3,491,615,363.98/83,915.88 - Step 6: Final answer
x = 41,608.52
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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.