Finding the Fourth Proportional to 125,565.44, 173,310.20 and 71,881.48
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Solution
The fourth proportional to 125,565.44, 173,310.20 and 71,881.48 is: 99,213.55
Step by Step Solution
- Step 1: Write the proportion equation
125,565.44 : 173,310.20 = 71,881.48 : x - Step 2: Convert to fraction form
125,565.44/173,310.20 = 71,881.48/x - Step 3: Cross multiply
125,565.44x = 173,310.20 × 71,881.48 - Step 4: Simplify right side
125,565.44x = 12,457,793,675.10 - Step 5: Solve for x
x = 12,457,793,675.10/125,565.44 - Step 6: Final answer
x = 99,213.55
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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.