Home / 104,769.12-144,580.97-57,022.86

Finding the Fourth Proportional to 104,769.12, 144,580.97 and 57,022.86

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Solution

The fourth proportional to 104,769.12, 144,580.97 and 57,022.86 is: 78,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,769.12 : 144,580.97 = 57,022.86 : x
  2. Step 2: Convert to fraction form
    104,769.12/144,580.97 = 57,022.86/x
  3. Step 3: Cross multiply
    104,769.12x = 144,580.97 × 57,022.86
  4. Step 4: Simplify right side
    104,769.12x = 8,244,420,553.53
  5. Step 5: Solve for x
    x = 8,244,420,553.53/104,769.12
  6. Step 6: Final answer
    x = 78,691.32

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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.