Home / 76,765.22-115,007.49-55,652.97

Finding the Fourth Proportional to 76,765.22, 115,007.49 and 55,652.97

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Solution

The fourth proportional to 76,765.22, 115,007.49 and 55,652.97 is: 83,377.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,765.22 : 115,007.49 = 55,652.97 : x
  2. Step 2: Convert to fraction form
    76,765.22/115,007.49 = 55,652.97/x
  3. Step 3: Cross multiply
    76,765.22x = 115,007.49 × 55,652.97
  4. Step 4: Simplify right side
    76,765.22x = 6,400,508,112.48
  5. Step 5: Solve for x
    x = 6,400,508,112.48/76,765.22
  6. Step 6: Final answer
    x = 83,377.71

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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.