Home / 80,423.11-120,635.52-24,263.69

Finding the Fourth Proportional to 80,423.11, 120,635.52 and 24,263.69

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Solution

The fourth proportional to 80,423.11, 120,635.52 and 24,263.69 is: 36,395.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,423.11 : 120,635.52 = 24,263.69 : x
  2. Step 2: Convert to fraction form
    80,423.11/120,635.52 = 24,263.69/x
  3. Step 3: Cross multiply
    80,423.11x = 120,635.52 × 24,263.69
  4. Step 4: Simplify right side
    80,423.11x = 2,927,062,860.27
  5. Step 5: Solve for x
    x = 2,927,062,860.27/80,423.11
  6. Step 6: Final answer
    x = 36,395.79

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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.