Home / 74,194.38-111,217.32-36,781.83

Finding the Fourth Proportional to 74,194.38, 111,217.32 and 36,781.83

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Solution

The fourth proportional to 74,194.38, 111,217.32 and 36,781.83 is: 55,135.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,194.38 : 111,217.32 = 36,781.83 : x
  2. Step 2: Convert to fraction form
    74,194.38/111,217.32 = 36,781.83/x
  3. Step 3: Cross multiply
    74,194.38x = 111,217.32 × 36,781.83
  4. Step 4: Simplify right side
    74,194.38x = 4,090,776,557.30
  5. Step 5: Solve for x
    x = 4,090,776,557.30/74,194.38
  6. Step 6: Final answer
    x = 55,135.94

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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.