Home / 87,842.88-131,770.09-35,245.53

Finding the Fourth Proportional to 87,842.88, 131,770.09 and 35,245.53

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Solution

The fourth proportional to 87,842.88, 131,770.09 and 35,245.53 is: 52,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,842.88 : 131,770.09 = 35,245.53 : x
  2. Step 2: Convert to fraction form
    87,842.88/131,770.09 = 35,245.53/x
  3. Step 3: Cross multiply
    87,842.88x = 131,770.09 × 35,245.53
  4. Step 4: Simplify right side
    87,842.88x = 4,644,306,704.25
  5. Step 5: Solve for x
    x = 4,644,306,704.25/87,842.88
  6. Step 6: Final answer
    x = 52,870.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.