Home / 87,450.66-120,682.17-49,725.18

Finding the Fourth Proportional to 87,450.66, 120,682.17 and 49,725.18

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Solution

The fourth proportional to 87,450.66, 120,682.17 and 49,725.18 is: 68,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,450.66 : 120,682.17 = 49,725.18 : x
  2. Step 2: Convert to fraction form
    87,450.66/120,682.17 = 49,725.18/x
  3. Step 3: Cross multiply
    87,450.66x = 120,682.17 × 49,725.18
  4. Step 4: Simplify right side
    87,450.66x = 6,000,942,626.04
  5. Step 5: Solve for x
    x = 6,000,942,626.04/87,450.66
  6. Step 6: Final answer
    x = 68,620.90

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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.