Home / 88,981.12-122,793.91-48,694.88

Finding the Fourth Proportional to 88,981.12, 122,793.91 and 48,694.88

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Solution

The fourth proportional to 88,981.12, 122,793.91 and 48,694.88 is: 67,198.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,981.12 : 122,793.91 = 48,694.88 : x
  2. Step 2: Convert to fraction form
    88,981.12/122,793.91 = 48,694.88/x
  3. Step 3: Cross multiply
    88,981.12x = 122,793.91 × 48,694.88
  4. Step 4: Simplify right side
    88,981.12x = 5,979,434,712.18
  5. Step 5: Solve for x
    x = 5,979,434,712.18/88,981.12
  6. Step 6: Final answer
    x = 67,198.91

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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.