Finding the Fourth Proportional to 125,377.92, 173,014.92 and 71,655.84
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Solution
The fourth proportional to 125,377.92, 173,014.92 and 71,655.84 is: 98,881.28
Step by Step Solution
- Step 1: Write the proportion equation
125,377.92 : 173,014.92 = 71,655.84 : x - Step 2: Convert to fraction form
125,377.92/173,014.92 = 71,655.84/x - Step 3: Cross multiply
125,377.92x = 173,014.92 × 71,655.84 - Step 4: Simplify right side
125,377.92x = 12,397,529,425.13 - Step 5: Solve for x
x = 12,397,529,425.13/125,377.92 - Step 6: Final answer
x = 98,881.28
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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.