Home / 104,921.54-144,793.38-57,174.86

Finding the Fourth Proportional to 104,921.54, 144,793.38 and 57,174.86

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Solution

The fourth proportional to 104,921.54, 144,793.38 and 57,174.86 is: 78,902.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,921.54 : 144,793.38 = 57,174.86 : x
  2. Step 2: Convert to fraction form
    104,921.54/144,793.38 = 57,174.86/x
  3. Step 3: Cross multiply
    104,921.54x = 144,793.38 × 57,174.86
  4. Step 4: Simplify right side
    104,921.54x = 8,278,541,230.43
  5. Step 5: Solve for x
    x = 8,278,541,230.43/104,921.54
  6. Step 6: Final answer
    x = 78,902.21

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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.