Home / 75,439.11-113,183.24-35,991.12

Finding the Fourth Proportional to 75,439.11, 113,183.24 and 35,991.12

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Solution

The fourth proportional to 75,439.11, 113,183.24 and 35,991.12 is: 53,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,439.11 : 113,183.24 = 35,991.12 : x
  2. Step 2: Convert to fraction form
    75,439.11/113,183.24 = 35,991.12/x
  3. Step 3: Cross multiply
    75,439.11x = 113,183.24 × 35,991.12
  4. Step 4: Simplify right side
    75,439.11x = 4,073,591,392.87
  5. Step 5: Solve for x
    x = 4,073,591,392.87/75,439.11
  6. Step 6: Final answer
    x = 53,998.40

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1.5x scale

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.