Home / 74,717.28-111,998.16-27,949.92

Finding the Fourth Proportional to 74,717.28, 111,998.16 and 27,949.92

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Solution

The fourth proportional to 74,717.28, 111,998.16 and 27,949.92 is: 41,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,717.28 : 111,998.16 = 27,949.92 : x
  2. Step 2: Convert to fraction form
    74,717.28/111,998.16 = 27,949.92/x
  3. Step 3: Cross multiply
    74,717.28x = 111,998.16 × 27,949.92
  4. Step 4: Simplify right side
    74,717.28x = 3,130,339,612.15
  5. Step 5: Solve for x
    x = 3,130,339,612.15/74,717.28
  6. Step 6: Final answer
    x = 41,895.79

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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.