Finding the Fourth Proportional to 83,915.26, 125,842.91 and 27,745.00
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Solution
The fourth proportional to 83,915.26, 125,842.91 and 27,745.00 is: 41,607.58
Step by Step Solution
- Step 1: Write the proportion equation
83,915.26 : 125,842.91 = 27,745.00 : x - Step 2: Convert to fraction form
83,915.26/125,842.91 = 27,745.00/x - Step 3: Cross multiply
83,915.26x = 125,842.91 × 27,745.00 - Step 4: Simplify right side
83,915.26x = 3,491,511,084.62 - Step 5: Solve for x
x = 3,491,511,084.62/83,915.26 - Step 6: Final answer
x = 41,607.58
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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.