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Finding the Fourth Proportional to 65,481.57, 98,229.60 and 23,371.47

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Solution

The fourth proportional to 65,481.57, 98,229.60 and 23,371.47 is: 35,059.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,481.57 : 98,229.60 = 23,371.47 : x
  2. Step 2: Convert to fraction form
    65,481.57/98,229.60 = 23,371.47/x
  3. Step 3: Cross multiply
    65,481.57x = 98,229.60 × 23,371.47
  4. Step 4: Simplify right side
    65,481.57x = 2,295,770,149.51
  5. Step 5: Solve for x
    x = 2,295,770,149.51/65,481.57
  6. Step 6: Final answer
    x = 35,059.79

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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.