Finding the Fourth Proportional to 125,741.27, 173,523.66 and 68,381.26
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Solution
The fourth proportional to 125,741.27, 173,523.66 and 68,381.26 is: 94,366.52
Step by Step Solution
- Step 1: Write the proportion equation
125,741.27 : 173,523.66 = 68,381.26 : x - Step 2: Convert to fraction form
125,741.27/173,523.66 = 68,381.26/x - Step 3: Cross multiply
125,741.27x = 173,523.66 × 68,381.26 - Step 4: Simplify right side
125,741.27x = 11,865,766,510.61 - Step 5: Solve for x
x = 11,865,766,510.61/125,741.27 - Step 6: Final answer
x = 94,366.52
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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.