Finding the Fourth Proportional to 125,527.79, 173,229.71 and 68,939.17
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Solution
The fourth proportional to 125,527.79, 173,229.71 and 68,939.17 is: 95,136.79
Step by Step Solution
- Step 1: Write the proportion equation
125,527.79 : 173,229.71 = 68,939.17 : x - Step 2: Convert to fraction form
125,527.79/173,229.71 = 68,939.17/x - Step 3: Cross multiply
125,527.79x = 173,229.71 × 68,939.17 - Step 4: Simplify right side
125,527.79x = 11,942,311,648.97 - Step 5: Solve for x
x = 11,942,311,648.97/125,527.79 - Step 6: Final answer
x = 95,136.79
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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.