Home / 107,961.44-161,936.31-33,081.80

Finding the Fourth Proportional to 107,961.44, 161,936.31 and 33,081.80

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Solution

The fourth proportional to 107,961.44, 161,936.31 and 33,081.80 is: 49,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,961.44 : 161,936.31 = 33,081.80 : x
  2. Step 2: Convert to fraction form
    107,961.44/161,936.31 = 33,081.80/x
  3. Step 3: Cross multiply
    107,961.44x = 161,936.31 × 33,081.80
  4. Step 4: Simplify right side
    107,961.44x = 5,357,144,911.54
  5. Step 5: Solve for x
    x = 5,357,144,911.54/107,961.44
  6. Step 6: Final answer
    x = 49,620.91

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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.