Home / 78,488.20-108,311.46-44,499.88

Finding the Fourth Proportional to 78,488.20, 108,311.46 and 44,499.88

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Solution

The fourth proportional to 78,488.20, 108,311.46 and 44,499.88 is: 61,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,488.20 : 108,311.46 = 44,499.88 : x
  2. Step 2: Convert to fraction form
    78,488.20/108,311.46 = 44,499.88/x
  3. Step 3: Cross multiply
    78,488.20x = 108,311.46 × 44,499.88
  4. Step 4: Simplify right side
    78,488.20x = 4,819,846,972.62
  5. Step 5: Solve for x
    x = 4,819,846,972.62/78,488.20
  6. Step 6: Final answer
    x = 61,408.56

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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.