Home / 87,372.88-131,190.54-49,975.18

Finding the Fourth Proportional to 87,372.88, 131,190.54 and 49,975.18

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Solution

The fourth proportional to 87,372.88, 131,190.54 and 49,975.18 is: 75,037.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,372.88 : 131,190.54 = 49,975.18 : x
  2. Step 2: Convert to fraction form
    87,372.88/131,190.54 = 49,975.18/x
  3. Step 3: Cross multiply
    87,372.88x = 131,190.54 × 49,975.18
  4. Step 4: Simplify right side
    87,372.88x = 6,556,270,335.41
  5. Step 5: Solve for x
    x = 6,556,270,335.41/87,372.88
  6. Step 6: Final answer
    x = 75,037.82

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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.