Finding the Fourth Proportional to 125,819.50, 173,632.13 and 69,232.09
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Solution
The fourth proportional to 125,819.50, 173,632.13 and 69,232.09 is: 95,540.96
Step by Step Solution
- Step 1: Write the proportion equation
125,819.50 : 173,632.13 = 69,232.09 : x - Step 2: Convert to fraction form
125,819.50/173,632.13 = 69,232.09/x - Step 3: Cross multiply
125,819.50x = 173,632.13 × 69,232.09 - Step 4: Simplify right side
125,819.50x = 12,020,915,251.05 - Step 5: Solve for x
x = 12,020,915,251.05/125,819.50 - Step 6: Final answer
x = 95,540.96
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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.