Home / 87,626.40-120,924.30-49,900.66

Finding the Fourth Proportional to 87,626.40, 120,924.30 and 49,900.66

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Solution

The fourth proportional to 87,626.40, 120,924.30 and 49,900.66 is: 68,862.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,626.40 : 120,924.30 = 49,900.66 : x
  2. Step 2: Convert to fraction form
    87,626.40/120,924.30 = 49,900.66/x
  3. Step 3: Cross multiply
    87,626.40x = 120,924.30 × 49,900.66
  4. Step 4: Simplify right side
    87,626.40x = 6,034,202,380.04
  5. Step 5: Solve for x
    x = 6,034,202,380.04/87,626.40
  6. Step 6: Final answer
    x = 68,862.84

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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.