Home / 87,721.90-131,590.14-35,102.68

Finding the Fourth Proportional to 87,721.90, 131,590.14 and 35,102.68

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Solution

The fourth proportional to 87,721.90, 131,590.14 and 35,102.68 is: 52,656.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,721.90 : 131,590.14 = 35,102.68 : x
  2. Step 2: Convert to fraction form
    87,721.90/131,590.14 = 35,102.68/x
  3. Step 3: Cross multiply
    87,721.90x = 131,590.14 × 35,102.68
  4. Step 4: Simplify right side
    87,721.90x = 4,619,166,575.58
  5. Step 5: Solve for x
    x = 4,619,166,575.58/87,721.90
  6. Step 6: Final answer
    x = 52,656.94

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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.