Home / 67,535.92-101,305.19-20,788.75

Finding the Fourth Proportional to 67,535.92, 101,305.19 and 20,788.75

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Solution

The fourth proportional to 67,535.92, 101,305.19 and 20,788.75 is: 31,183.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,535.92 : 101,305.19 = 20,788.75 : x
  2. Step 2: Convert to fraction form
    67,535.92/101,305.19 = 20,788.75/x
  3. Step 3: Cross multiply
    67,535.92x = 101,305.19 × 20,788.75
  4. Step 4: Simplify right side
    67,535.92x = 2,106,008,268.61
  5. Step 5: Solve for x
    x = 2,106,008,268.61/67,535.92
  6. Step 6: Final answer
    x = 31,183.53

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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.