Home / 54,919.31-82,378.94-15,471.27

Finding the Fourth Proportional to 54,919.31, 82,378.94 and 15,471.27

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Solution

The fourth proportional to 54,919.31, 82,378.94 and 15,471.27 is: 23,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,919.31 : 82,378.94 = 15,471.27 : x
  2. Step 2: Convert to fraction form
    54,919.31/82,378.94 = 15,471.27/x
  3. Step 3: Cross multiply
    54,919.31x = 82,378.94 × 15,471.27
  4. Step 4: Simplify right side
    54,919.31x = 1,274,506,745.70
  5. Step 5: Solve for x
    x = 1,274,506,745.70/54,919.31
  6. Step 6: Final answer
    x = 23,206.90

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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.