Home / 80,936.82-121,416.31-27,614.50

Finding the Fourth Proportional to 80,936.82, 121,416.31 and 27,614.50

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Solution

The fourth proportional to 80,936.82, 121,416.31 and 27,614.50 is: 41,425.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,936.82 : 121,416.31 = 27,614.50 : x
  2. Step 2: Convert to fraction form
    80,936.82/121,416.31 = 27,614.50/x
  3. Step 3: Cross multiply
    80,936.82x = 121,416.31 × 27,614.50
  4. Step 4: Simplify right side
    80,936.82x = 3,352,850,692.50
  5. Step 5: Solve for x
    x = 3,352,850,692.50/80,936.82
  6. Step 6: Final answer
    x = 41,425.53

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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.