Home / 87,619.70-131,429.55-50,165.30

Finding the Fourth Proportional to 87,619.70, 131,429.55 and 50,165.30

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Solution

The fourth proportional to 87,619.70, 131,429.55 and 50,165.30 is: 75,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,619.70 : 131,429.55 = 50,165.30 : x
  2. Step 2: Convert to fraction form
    87,619.70/131,429.55 = 50,165.30/x
  3. Step 3: Cross multiply
    87,619.70x = 131,429.55 × 50,165.30
  4. Step 4: Simplify right side
    87,619.70x = 6,593,202,804.62
  5. Step 5: Solve for x
    x = 6,593,202,804.62/87,619.70
  6. Step 6: Final answer
    x = 75,247.95

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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.