Home / 75,382.11-104,028.60-41,392.04

Finding the Fourth Proportional to 75,382.11, 104,028.60 and 41,392.04

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Solution

The fourth proportional to 75,382.11, 104,028.60 and 41,392.04 is: 57,121.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,382.11 : 104,028.60 = 41,392.04 : x
  2. Step 2: Convert to fraction form
    75,382.11/104,028.60 = 41,392.04/x
  3. Step 3: Cross multiply
    75,382.11x = 104,028.60 × 41,392.04
  4. Step 4: Simplify right side
    75,382.11x = 4,305,955,452.20
  5. Step 5: Solve for x
    x = 4,305,955,452.20/75,382.11
  6. Step 6: Final answer
    x = 57,121.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.