Finding the Fourth Proportional to 125,872.91, 173,704.66 and 69,283.88
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Solution
The fourth proportional to 125,872.91, 173,704.66 and 69,283.88 is: 95,611.77
Step by Step Solution
- Step 1: Write the proportion equation
125,872.91 : 173,704.66 = 69,283.88 : x - Step 2: Convert to fraction form
125,872.91/173,704.66 = 69,283.88/x - Step 3: Cross multiply
125,872.91x = 173,704.66 × 69,283.88 - Step 4: Simplify right side
125,872.91x = 12,034,931,777.15 - Step 5: Solve for x
x = 12,034,931,777.15/125,872.91 - Step 6: Final answer
x = 95,611.77
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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.