Home / 55,179.24-82,760.49-20,118.93

Finding the Fourth Proportional to 55,179.24, 82,760.49 and 20,118.93

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Solution

The fourth proportional to 55,179.24, 82,760.49 and 20,118.93 is: 30,175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,179.24 : 82,760.49 = 20,118.93 : x
  2. Step 2: Convert to fraction form
    55,179.24/82,760.49 = 20,118.93/x
  3. Step 3: Cross multiply
    55,179.24x = 82,760.49 × 20,118.93
  4. Step 4: Simplify right side
    55,179.24x = 1,665,052,505.08
  5. Step 5: Solve for x
    x = 1,665,052,505.08/55,179.24
  6. Step 6: Final answer
    x = 30,175.34

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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.