Finding the Fourth Proportional to 125,469.24, 173,161.32 and 71,759.28
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Solution
The fourth proportional to 125,469.24, 173,161.32 and 71,759.28 is: 99,035.68
Step by Step Solution
- Step 1: Write the proportion equation
125,469.24 : 173,161.32 = 71,759.28 : x - Step 2: Convert to fraction form
125,469.24/173,161.32 = 71,759.28/x - Step 3: Cross multiply
125,469.24x = 173,161.32 × 71,759.28 - Step 4: Simplify right side
125,469.24x = 12,425,931,647.05 - Step 5: Solve for x
x = 12,425,931,647.05/125,469.24 - Step 6: Final answer
x = 99,035.68
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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.