Home / 76,984.78-115,454.22-32,610.82

Finding the Fourth Proportional to 76,984.78, 115,454.22 and 32,610.82

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Solution

The fourth proportional to 76,984.78, 115,454.22 and 32,610.82 is: 48,906.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,984.78 : 115,454.22 = 32,610.82 : x
  2. Step 2: Convert to fraction form
    76,984.78/115,454.22 = 32,610.82/x
  3. Step 3: Cross multiply
    76,984.78x = 115,454.22 × 32,610.82
  4. Step 4: Simplify right side
    76,984.78x = 3,765,056,786.66
  5. Step 5: Solve for x
    x = 3,765,056,786.66/76,984.78
  6. Step 6: Final answer
    x = 48,906.51

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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.