Home / 87,715.20-131,572.80-32,332.80

Finding the Fourth Proportional to 87,715.20, 131,572.80 and 32,332.80

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Solution

The fourth proportional to 87,715.20, 131,572.80 and 32,332.80 is: 48,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,715.20 : 131,572.80 = 32,332.80 : x
  2. Step 2: Convert to fraction form
    87,715.20/131,572.80 = 32,332.80/x
  3. Step 3: Cross multiply
    87,715.20x = 131,572.80 × 32,332.80
  4. Step 4: Simplify right side
    87,715.20x = 4,254,117,027.84
  5. Step 5: Solve for x
    x = 4,254,117,027.84/87,715.20
  6. Step 6: Final answer
    x = 48,499.20

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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.