Home / 84,247.92-126,283.08-28,073.04

Finding the Fourth Proportional to 84,247.92, 126,283.08 and 28,073.04

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Solution

The fourth proportional to 84,247.92, 126,283.08 and 28,073.04 is: 42,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,247.92 : 126,283.08 = 28,073.04 : x
  2. Step 2: Convert to fraction form
    84,247.92/126,283.08 = 28,073.04/x
  3. Step 3: Cross multiply
    84,247.92x = 126,283.08 × 28,073.04
  4. Step 4: Simplify right side
    84,247.92x = 3,545,149,956.16
  5. Step 5: Solve for x
    x = 3,545,149,956.16/84,247.92
  6. Step 6: Final answer
    x = 42,079.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.