Home / 79,961.31-119,877.17-33,249.15

Finding the Fourth Proportional to 79,961.31, 119,877.17 and 33,249.15

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Solution

The fourth proportional to 79,961.31, 119,877.17 and 33,249.15 is: 49,846.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,961.31 : 119,877.17 = 33,249.15 : x
  2. Step 2: Convert to fraction form
    79,961.31/119,877.17 = 33,249.15/x
  3. Step 3: Cross multiply
    79,961.31x = 119,877.17 × 33,249.15
  4. Step 4: Simplify right side
    79,961.31x = 3,985,813,840.66
  5. Step 5: Solve for x
    x = 3,985,813,840.66/79,961.31
  6. Step 6: Final answer
    x = 49,846.78

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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.