Home / 75,439.49-113,183.80-35,991.50

Finding the Fourth Proportional to 75,439.49, 113,183.80 and 35,991.50

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Solution

The fourth proportional to 75,439.49, 113,183.80 and 35,991.50 is: 53,998.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,439.49 : 113,183.80 = 35,991.50 : x
  2. Step 2: Convert to fraction form
    75,439.49/113,183.80 = 35,991.50/x
  3. Step 3: Cross multiply
    75,439.49x = 113,183.80 × 35,991.50
  4. Step 4: Simplify right side
    75,439.49x = 4,073,654,081.80
  5. Step 5: Solve for x
    x = 4,073,654,081.80/75,439.49
  6. Step 6: Final answer
    x = 53,998.96

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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.