Home / 79,964.28-120,024.18-38,440.44

Finding the Fourth Proportional to 79,964.28, 120,024.18 and 38,440.44

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Solution

The fourth proportional to 79,964.28, 120,024.18 and 38,440.44 is: 57,698.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,964.28 : 120,024.18 = 38,440.44 : x
  2. Step 2: Convert to fraction form
    79,964.28/120,024.18 = 38,440.44/x
  3. Step 3: Cross multiply
    79,964.28x = 120,024.18 × 38,440.44
  4. Step 4: Simplify right side
    79,964.28x = 4,613,782,289.84
  5. Step 5: Solve for x
    x = 4,613,782,289.84/79,964.28
  6. Step 6: Final answer
    x = 57,698.04

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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.