Home / 76,879.27-115,318.22-24,288.75

Finding the Fourth Proportional to 76,879.27, 115,318.22 and 24,288.75

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Solution

The fourth proportional to 76,879.27, 115,318.22 and 24,288.75 is: 36,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,879.27 : 115,318.22 = 24,288.75 : x
  2. Step 2: Convert to fraction form
    76,879.27/115,318.22 = 24,288.75/x
  3. Step 3: Cross multiply
    76,879.27x = 115,318.22 × 24,288.75
  4. Step 4: Simplify right side
    76,879.27x = 2,800,935,294.58
  5. Step 5: Solve for x
    x = 2,800,935,294.58/76,879.27
  6. Step 6: Final answer
    x = 36,432.91

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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.