Home / 72,044.46-108,104.76-51,119.73

Finding the Fourth Proportional to 72,044.46, 108,104.76 and 51,119.73

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Solution

The fourth proportional to 72,044.46, 108,104.76 and 51,119.73 is: 76,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,044.46 : 108,104.76 = 51,119.73 : x
  2. Step 2: Convert to fraction form
    72,044.46/108,104.76 = 51,119.73/x
  3. Step 3: Cross multiply
    72,044.46x = 108,104.76 × 51,119.73
  4. Step 4: Simplify right side
    72,044.46x = 5,526,286,142.91
  5. Step 5: Solve for x
    x = 5,526,286,142.91/72,044.46
  6. Step 6: Final answer
    x = 76,706.61

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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.