Home / 74,250.66-111,375.96-21,664.38

Finding the Fourth Proportional to 74,250.66, 111,375.96 and 21,664.38

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Solution

The fourth proportional to 74,250.66, 111,375.96 and 21,664.38 is: 32,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,250.66 : 111,375.96 = 21,664.38 : x
  2. Step 2: Convert to fraction form
    74,250.66/111,375.96 = 21,664.38/x
  3. Step 3: Cross multiply
    74,250.66x = 111,375.96 × 21,664.38
  4. Step 4: Simplify right side
    74,250.66x = 2,412,891,120.30
  5. Step 5: Solve for x
    x = 2,412,891,120.30/74,250.66
  6. Step 6: Final answer
    x = 32,496.56

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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.