Home / 96,965.92-145,215.60-55,286.56

Finding the Fourth Proportional to 96,965.92, 145,215.60 and 55,286.56

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Solution

The fourth proportional to 96,965.92, 145,215.60 and 55,286.56 is: 82,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,965.92 : 145,215.60 = 55,286.56 : x
  2. Step 2: Convert to fraction form
    96,965.92/145,215.60 = 55,286.56/x
  3. Step 3: Cross multiply
    96,965.92x = 145,215.60 × 55,286.56
  4. Step 4: Simplify right side
    96,965.92x = 8,028,470,982.34
  5. Step 5: Solve for x
    x = 8,028,470,982.34/96,965.92
  6. Step 6: Final answer
    x = 82,796.83

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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.