Finding the Fourth Proportional to 125,916.38, 173,764.64 and 69,327.75
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Solution
The fourth proportional to 125,916.38, 173,764.64 and 69,327.75 is: 95,672.31
Step by Step Solution
- Step 1: Write the proportion equation
125,916.38 : 173,764.64 = 69,327.75 : x - Step 2: Convert to fraction form
125,916.38/173,764.64 = 69,327.75/x - Step 3: Cross multiply
125,916.38x = 173,764.64 × 69,327.75 - Step 4: Simplify right side
125,916.38x = 12,046,711,520.76 - Step 5: Solve for x
x = 12,046,711,520.76/125,916.38 - Step 6: Final answer
x = 95,672.31
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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.