Home / 54,921.72-75,793.14-31,046.97

Finding the Fourth Proportional to 54,921.72, 75,793.14 and 31,046.97

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Solution

The fourth proportional to 54,921.72, 75,793.14 and 31,046.97 is: 42,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,921.72 : 75,793.14 = 31,046.97 : x
  2. Step 2: Convert to fraction form
    54,921.72/75,793.14 = 31,046.97/x
  3. Step 3: Cross multiply
    54,921.72x = 75,793.14 × 31,046.97
  4. Step 4: Simplify right side
    54,921.72x = 2,353,147,343.79
  5. Step 5: Solve for x
    x = 2,353,147,343.79/54,921.72
  6. Step 6: Final answer
    x = 42,845.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.