Home / 82,231.22-113,481.83-50,393.97

Finding the Fourth Proportional to 82,231.22, 113,481.83 and 50,393.97

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Solution

The fourth proportional to 82,231.22, 113,481.83 and 50,393.97 is: 69,545.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,231.22 : 113,481.83 = 50,393.97 : x
  2. Step 2: Convert to fraction form
    82,231.22/113,481.83 = 50,393.97/x
  3. Step 3: Cross multiply
    82,231.22x = 113,481.83 × 50,393.97
  4. Step 4: Simplify right side
    82,231.22x = 5,718,799,636.99
  5. Step 5: Solve for x
    x = 5,718,799,636.99/82,231.22
  6. Step 6: Final answer
    x = 69,545.36

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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.