Home / 87,423.97-120,633.73-49,182.24

Finding the Fourth Proportional to 87,423.97, 120,633.73 and 49,182.24

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Solution

The fourth proportional to 87,423.97, 120,633.73 and 49,182.24 is: 67,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,423.97 : 120,633.73 = 49,182.24 : x
  2. Step 2: Convert to fraction form
    87,423.97/120,633.73 = 49,182.24/x
  3. Step 3: Cross multiply
    87,423.97x = 120,633.73 × 49,182.24
  4. Step 4: Simplify right side
    87,423.97x = 5,933,037,060.96
  5. Step 5: Solve for x
    x = 5,933,037,060.96/87,423.97
  6. Step 6: Final answer
    x = 67,865.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.