Home / 45,122.68-67,610.04-31,951.41

Finding the Fourth Proportional to 45,122.68, 67,610.04 and 31,951.41

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Solution

The fourth proportional to 45,122.68, 67,610.04 and 31,951.41 is: 47,874.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,122.68 : 67,610.04 = 31,951.41 : x
  2. Step 2: Convert to fraction form
    45,122.68/67,610.04 = 31,951.41/x
  3. Step 3: Cross multiply
    45,122.68x = 67,610.04 × 31,951.41
  4. Step 4: Simplify right side
    45,122.68x = 2,160,236,108.16
  5. Step 5: Solve for x
    x = 2,160,236,108.16/45,122.68
  6. Step 6: Final answer
    x = 47,874.73

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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.