Home / 87,399.20-131,103.68-25,068

Finding the Fourth Proportional to 87,399.20, 131,103.68 and 25,068

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Solution

The fourth proportional to 87,399.20, 131,103.68 and 25,068 is: 37,603.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,399.20 : 131,103.68 = 25,068 : x
  2. Step 2: Convert to fraction form
    87,399.20/131,103.68 = 25,068/x
  3. Step 3: Cross multiply
    87,399.20x = 131,103.68 × 25,068
  4. Step 4: Simplify right side
    87,399.20x = 3,286,507,050.24
  5. Step 5: Solve for x
    x = 3,286,507,050.24/87,399.20
  6. Step 6: Final answer
    x = 37,603.40

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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.