Home / 82,076.49-122,764.82-50,408.73

Finding the Fourth Proportional to 82,076.49, 122,764.82 and 50,408.73

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Solution

The fourth proportional to 82,076.49, 122,764.82 and 50,408.73 is: 75,398.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,076.49 : 122,764.82 = 50,408.73 : x
  2. Step 2: Convert to fraction form
    82,076.49/122,764.82 = 50,408.73/x
  3. Step 3: Cross multiply
    82,076.49x = 122,764.82 × 50,408.73
  4. Step 4: Simplify right side
    82,076.49x = 6,188,418,412.83
  5. Step 5: Solve for x
    x = 6,188,418,412.83/82,076.49
  6. Step 6: Final answer
    x = 75,398.19

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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.