Home / 87,615.70-131,423.55-50,161.30

Finding the Fourth Proportional to 87,615.70, 131,423.55 and 50,161.30

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Solution

The fourth proportional to 87,615.70, 131,423.55 and 50,161.30 is: 75,241.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,615.70 : 131,423.55 = 50,161.30 : x
  2. Step 2: Convert to fraction form
    87,615.70/131,423.55 = 50,161.30/x
  3. Step 3: Cross multiply
    87,615.70x = 131,423.55 × 50,161.30
  4. Step 4: Simplify right side
    87,615.70x = 6,592,376,118.62
  5. Step 5: Solve for x
    x = 6,592,376,118.62/87,615.70
  6. Step 6: Final answer
    x = 75,241.95

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1.5x scale

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.