Home / 87,079.28-120,168.07-48,838.82

Finding the Fourth Proportional to 87,079.28, 120,168.07 and 48,838.82

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Solution

The fourth proportional to 87,079.28, 120,168.07 and 48,838.82 is: 67,396.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,079.28 : 120,168.07 = 48,838.82 : x
  2. Step 2: Convert to fraction form
    87,079.28/120,168.07 = 48,838.82/x
  3. Step 3: Cross multiply
    87,079.28x = 120,168.07 × 48,838.82
  4. Step 4: Simplify right side
    87,079.28x = 5,868,866,017.54
  5. Step 5: Solve for x
    x = 5,868,866,017.54/87,079.28
  6. Step 6: Final answer
    x = 67,396.82

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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.