Finding the Fourth Proportional to 125,759.12, 173,538.36 and 71,312.36
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Solution
The fourth proportional to 125,759.12, 173,538.36 and 71,312.36 is: 98,405.82
Step by Step Solution
- Step 1: Write the proportion equation
125,759.12 : 173,538.36 = 71,312.36 : x - Step 2: Convert to fraction form
125,759.12/173,538.36 = 71,312.36/x - Step 3: Cross multiply
125,759.12x = 173,538.36 × 71,312.36 - Step 4: Simplify right side
125,759.12x = 12,375,429,134.44 - Step 5: Solve for x
x = 12,375,429,134.44/125,759.12 - Step 6: Final answer
x = 98,405.82
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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.