Home / 87,402.82-131,104.31-37,450.53

Finding the Fourth Proportional to 87,402.82, 131,104.31 and 37,450.53

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Solution

The fourth proportional to 87,402.82, 131,104.31 and 37,450.53 is: 56,175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,402.82 : 131,104.31 = 37,450.53 : x
  2. Step 2: Convert to fraction form
    87,402.82/131,104.31 = 37,450.53/x
  3. Step 3: Cross multiply
    87,402.82x = 131,104.31 × 37,450.53
  4. Step 4: Simplify right side
    87,402.82x = 4,909,925,894.78
  5. Step 5: Solve for x
    x = 4,909,925,894.78/87,402.82
  6. Step 6: Final answer
    x = 56,175.83

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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.