Home / 87,165.42-130,627.17-45,529.26

Finding the Fourth Proportional to 87,165.42, 130,627.17 and 45,529.26

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Solution

The fourth proportional to 87,165.42, 130,627.17 and 45,529.26 is: 68,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,165.42 : 130,627.17 = 45,529.26 : x
  2. Step 2: Convert to fraction form
    87,165.42/130,627.17 = 45,529.26/x
  3. Step 3: Cross multiply
    87,165.42x = 130,627.17 × 45,529.26
  4. Step 4: Simplify right side
    87,165.42x = 5,947,358,385.99
  5. Step 5: Solve for x
    x = 5,947,358,385.99/87,165.42
  6. Step 6: Final answer
    x = 68,230.71

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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.