Home / 90,766.20-136,149.30-24,216.60

Finding the Fourth Proportional to 90,766.20, 136,149.30 and 24,216.60

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Solution

The fourth proportional to 90,766.20, 136,149.30 and 24,216.60 is: 36,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,766.20 : 136,149.30 = 24,216.60 : x
  2. Step 2: Convert to fraction form
    90,766.20/136,149.30 = 24,216.60/x
  3. Step 3: Cross multiply
    90,766.20x = 136,149.30 × 24,216.60
  4. Step 4: Simplify right side
    90,766.20x = 3,297,073,138.38
  5. Step 5: Solve for x
    x = 3,297,073,138.38/90,766.20
  6. Step 6: Final answer
    x = 36,324.90

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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.