Home / 79,970.28-120,033.18-38,446.44

Finding the Fourth Proportional to 79,970.28, 120,033.18 and 38,446.44

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Solution

The fourth proportional to 79,970.28, 120,033.18 and 38,446.44 is: 57,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,970.28 : 120,033.18 = 38,446.44 : x
  2. Step 2: Convert to fraction form
    79,970.28/120,033.18 = 38,446.44/x
  3. Step 3: Cross multiply
    79,970.28x = 120,033.18 × 38,446.44
  4. Step 4: Simplify right side
    79,970.28x = 4,614,848,452.88
  5. Step 5: Solve for x
    x = 4,614,848,452.88/79,970.28
  6. Step 6: Final answer
    x = 57,707.04

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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.