Home / 75,351.06-113,043.78-33,243.03

Finding the Fourth Proportional to 75,351.06, 113,043.78 and 33,243.03

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Solution

The fourth proportional to 75,351.06, 113,043.78 and 33,243.03 is: 49,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,351.06 : 113,043.78 = 33,243.03 : x
  2. Step 2: Convert to fraction form
    75,351.06/113,043.78 = 33,243.03/x
  3. Step 3: Cross multiply
    75,351.06x = 113,043.78 × 33,243.03
  4. Step 4: Simplify right side
    75,351.06x = 3,757,917,769.85
  5. Step 5: Solve for x
    x = 3,757,917,769.85/75,351.06
  6. Step 6: Final answer
    x = 49,872.13

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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.