Home / 73,682.27-110,430.92-31,512.75

Finding the Fourth Proportional to 73,682.27, 110,430.92 and 31,512.75

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Solution

The fourth proportional to 73,682.27, 110,430.92 and 31,512.75 is: 47,229.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,682.27 : 110,430.92 = 31,512.75 : x
  2. Step 2: Convert to fraction form
    73,682.27/110,430.92 = 31,512.75/x
  3. Step 3: Cross multiply
    73,682.27x = 110,430.92 × 31,512.75
  4. Step 4: Simplify right side
    73,682.27x = 3,479,981,974.23
  5. Step 5: Solve for x
    x = 3,479,981,974.23/73,682.27
  6. Step 6: Final answer
    x = 47,229.57

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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.