Home / 87,469.76-131,180.37-37,538.75

Finding the Fourth Proportional to 87,469.76, 131,180.37 and 37,538.75

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Solution

The fourth proportional to 87,469.76, 131,180.37 and 37,538.75 is: 56,297.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,469.76 : 131,180.37 = 37,538.75 : x
  2. Step 2: Convert to fraction form
    87,469.76/131,180.37 = 37,538.75/x
  3. Step 3: Cross multiply
    87,469.76x = 131,180.37 × 37,538.75
  4. Step 4: Simplify right side
    87,469.76x = 4,924,347,749.93
  5. Step 5: Solve for x
    x = 4,924,347,749.93/87,469.76
  6. Step 6: Final answer
    x = 56,297.72

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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.