Home / 73,238.54-100,996.40-55,132.61

Finding the Fourth Proportional to 73,238.54, 100,996.40 and 55,132.61

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Solution

The fourth proportional to 73,238.54, 100,996.40 and 55,132.61 is: 76,028.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,238.54 : 100,996.40 = 55,132.61 : x
  2. Step 2: Convert to fraction form
    73,238.54/100,996.40 = 55,132.61/x
  3. Step 3: Cross multiply
    73,238.54x = 100,996.40 × 55,132.61
  4. Step 4: Simplify right side
    73,238.54x = 5,568,194,765.45
  5. Step 5: Solve for x
    x = 5,568,194,765.45/73,238.54
  6. Step 6: Final answer
    x = 76,028.21

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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.