Finding the Fourth Proportional to 125,753.70, 173,540.82 and 68,393.70
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Solution
The fourth proportional to 125,753.70, 173,540.82 and 68,393.70 is: 94,383.69
Step by Step Solution
- Step 1: Write the proportion equation
125,753.70 : 173,540.82 = 68,393.70 : x - Step 2: Convert to fraction form
125,753.70/173,540.82 = 68,393.70/x - Step 3: Cross multiply
125,753.70x = 173,540.82 × 68,393.70 - Step 4: Simplify right side
125,753.70x = 11,869,098,780.83 - Step 5: Solve for x
x = 11,869,098,780.83/125,753.70 - Step 6: Final answer
x = 94,383.69
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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.