Home / 54,535.20-75,262.96-30,660.44

Finding the Fourth Proportional to 54,535.20, 75,262.96 and 30,660.44

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Solution

The fourth proportional to 54,535.20, 75,262.96 and 30,660.44 is: 42,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,535.20 : 75,262.96 = 30,660.44 : x
  2. Step 2: Convert to fraction form
    54,535.20/75,262.96 = 30,660.44/x
  3. Step 3: Cross multiply
    54,535.20x = 75,262.96 × 30,660.44
  4. Step 4: Simplify right side
    54,535.20x = 2,307,595,469.30
  5. Step 5: Solve for x
    x = 2,307,595,469.30/54,535.20
  6. Step 6: Final answer
    x = 42,313.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.