Home / 74,143.28-111,191.92-26,752.21

Finding the Fourth Proportional to 74,143.28, 111,191.92 and 26,752.21

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Solution

The fourth proportional to 74,143.28, 111,191.92 and 26,752.21 is: 40,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,143.28 : 111,191.92 = 26,752.21 : x
  2. Step 2: Convert to fraction form
    74,143.28/111,191.92 = 26,752.21/x
  3. Step 3: Cross multiply
    74,143.28x = 111,191.92 × 26,752.21
  4. Step 4: Simplify right side
    74,143.28x = 2,974,629,594.14
  5. Step 5: Solve for x
    x = 2,974,629,594.14/74,143.28
  6. Step 6: Final answer
    x = 40,120.02

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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.