Home / 75,140.38-112,767.68-27,800.27

Finding the Fourth Proportional to 75,140.38, 112,767.68 and 27,800.27

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Solution

The fourth proportional to 75,140.38, 112,767.68 and 27,800.27 is: 41,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,140.38 : 112,767.68 = 27,800.27 : x
  2. Step 2: Convert to fraction form
    75,140.38/112,767.68 = 27,800.27/x
  3. Step 3: Cross multiply
    75,140.38x = 112,767.68 × 27,800.27
  4. Step 4: Simplify right side
    75,140.38x = 3,134,971,951.27
  5. Step 5: Solve for x
    x = 3,134,971,951.27/75,140.38
  6. Step 6: Final answer
    x = 41,721.53

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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.