Home / 75,379.60-104,025.21-41,391.29

Finding the Fourth Proportional to 75,379.60, 104,025.21 and 41,391.29

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Solution

The fourth proportional to 75,379.60, 104,025.21 and 41,391.29 is: 57,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,379.60 : 104,025.21 = 41,391.29 : x
  2. Step 2: Convert to fraction form
    75,379.60/104,025.21 = 41,391.29/x
  3. Step 3: Cross multiply
    75,379.60x = 104,025.21 × 41,391.29
  4. Step 4: Simplify right side
    75,379.60x = 4,305,737,634.42
  5. Step 5: Solve for x
    x = 4,305,737,634.42/75,379.60
  6. Step 6: Final answer
    x = 57,120.73

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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.