Home / 87,488.12-120,737.42-49,250.14

Finding the Fourth Proportional to 87,488.12, 120,737.42 and 49,250.14

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Solution

The fourth proportional to 87,488.12, 120,737.42 and 49,250.14 is: 67,967.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488.12 : 120,737.42 = 49,250.14 : x
  2. Step 2: Convert to fraction form
    87,488.12/120,737.42 = 49,250.14/x
  3. Step 3: Cross multiply
    87,488.12x = 120,737.42 × 49,250.14
  4. Step 4: Simplify right side
    87,488.12x = 5,946,334,838.24
  5. Step 5: Solve for x
    x = 5,946,334,838.24/87,488.12
  6. Step 6: Final answer
    x = 67,967.34

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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.