Home / 87,422.40-131,123.52-24,247.20

Finding the Fourth Proportional to 87,422.40, 131,123.52 and 24,247.20

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Solution

The fourth proportional to 87,422.40, 131,123.52 and 24,247.20 is: 36,368.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,422.40 : 131,123.52 = 24,247.20 : x
  2. Step 2: Convert to fraction form
    87,422.40/131,123.52 = 24,247.20/x
  3. Step 3: Cross multiply
    87,422.40x = 131,123.52 × 24,247.20
  4. Step 4: Simplify right side
    87,422.40x = 3,179,378,214.14
  5. Step 5: Solve for x
    x = 3,179,378,214.14/87,422.40
  6. Step 6: Final answer
    x = 36,368.00

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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.