Home / 87,544.60-131,357.90-43,147.15

Finding the Fourth Proportional to 87,544.60, 131,357.90 and 43,147.15

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Solution

The fourth proportional to 87,544.60, 131,357.90 and 43,147.15 is: 64,740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,544.60 : 131,357.90 = 43,147.15 : x
  2. Step 2: Convert to fraction form
    87,544.60/131,357.90 = 43,147.15/x
  3. Step 3: Cross multiply
    87,544.60x = 131,357.90 × 43,147.15
  4. Step 4: Simplify right side
    87,544.60x = 5,667,718,794.46
  5. Step 5: Solve for x
    x = 5,667,718,794.46/87,544.60
  6. Step 6: Final answer
    x = 64,740.93

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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.