Home / 57,306.26-85,960.46-19,867.56

Finding the Fourth Proportional to 57,306.26, 85,960.46 and 19,867.56

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Solution

The fourth proportional to 57,306.26, 85,960.46 and 19,867.56 is: 29,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,306.26 : 85,960.46 = 19,867.56 : x
  2. Step 2: Convert to fraction form
    57,306.26/85,960.46 = 19,867.56/x
  3. Step 3: Cross multiply
    57,306.26x = 85,960.46 × 19,867.56
  4. Step 4: Simplify right side
    57,306.26x = 1,707,824,067.54
  5. Step 5: Solve for x
    x = 1,707,824,067.54/57,306.26
  6. Step 6: Final answer
    x = 29,801.70

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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.