Home / 74,195.38-111,218.82-36,782.83

Finding the Fourth Proportional to 74,195.38, 111,218.82 and 36,782.83

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Solution

The fourth proportional to 74,195.38, 111,218.82 and 36,782.83 is: 55,137.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,195.38 : 111,218.82 = 36,782.83 : x
  2. Step 2: Convert to fraction form
    74,195.38/111,218.82 = 36,782.83/x
  3. Step 3: Cross multiply
    74,195.38x = 111,218.82 × 36,782.83
  4. Step 4: Simplify right side
    74,195.38x = 4,090,942,948.86
  5. Step 5: Solve for x
    x = 4,090,942,948.86/74,195.38
  6. Step 6: Final answer
    x = 55,137.44

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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.