Home / 76,951.20-115,441.68-29,562.72

Finding the Fourth Proportional to 76,951.20, 115,441.68 and 29,562.72

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Solution

The fourth proportional to 76,951.20, 115,441.68 and 29,562.72 is: 44,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,951.20 : 115,441.68 = 29,562.72 : x
  2. Step 2: Convert to fraction form
    76,951.20/115,441.68 = 29,562.72/x
  3. Step 3: Cross multiply
    76,951.20x = 115,441.68 × 29,562.72
  4. Step 4: Simplify right side
    76,951.20x = 3,412,770,062.17
  5. Step 5: Solve for x
    x = 3,412,770,062.17/76,951.20
  6. Step 6: Final answer
    x = 44,349.80

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1.5x scale

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.