Home / 98,229.73-135,449.76-66,343.27

Finding the Fourth Proportional to 98,229.73, 135,449.76 and 66,343.27

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Solution

The fourth proportional to 98,229.73, 135,449.76 and 66,343.27 is: 91,481.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,229.73 : 135,449.76 = 66,343.27 : x
  2. Step 2: Convert to fraction form
    98,229.73/135,449.76 = 66,343.27/x
  3. Step 3: Cross multiply
    98,229.73x = 135,449.76 × 66,343.27
  4. Step 4: Simplify right side
    98,229.73x = 8,986,179,999.12
  5. Step 5: Solve for x
    x = 8,986,179,999.12/98,229.73
  6. Step 6: Final answer
    x = 91,481.27

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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.