Home / 55,201.24-82,793.44-20,140.96

Finding the Fourth Proportional to 55,201.24, 82,793.44 and 20,140.96

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Solution

The fourth proportional to 55,201.24, 82,793.44 and 20,140.96 is: 30,208.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,201.24 : 82,793.44 = 20,140.96 : x
  2. Step 2: Convert to fraction form
    55,201.24/82,793.44 = 20,140.96/x
  3. Step 3: Cross multiply
    55,201.24x = 82,793.44 × 20,140.96
  4. Step 4: Simplify right side
    55,201.24x = 1,667,539,363.30
  5. Step 5: Solve for x
    x = 1,667,539,363.30/55,201.24
  6. Step 6: Final answer
    x = 30,208.37

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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.