Finding the Fourth Proportional to 125,876.22, 173,710.38 and 69,288
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Solution
The fourth proportional to 125,876.22, 173,710.38 and 69,288 is: 95,618.10
Step by Step Solution
- Step 1: Write the proportion equation
125,876.22 : 173,710.38 = 69,288 : x - Step 2: Convert to fraction form
125,876.22/173,710.38 = 69,288/x - Step 3: Cross multiply
125,876.22x = 173,710.38 × 69,288 - Step 4: Simplify right side
125,876.22x = 12,036,044,809.44 - Step 5: Solve for x
x = 12,036,044,809.44/125,876.22 - Step 6: Final answer
x = 95,618.10
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.