Home / 55,189.72-82,760.46-15,738.04

Finding the Fourth Proportional to 55,189.72, 82,760.46 and 15,738.04

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Solution

The fourth proportional to 55,189.72, 82,760.46 and 15,738.04 is: 23,600.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,189.72 : 82,760.46 = 15,738.04 : x
  2. Step 2: Convert to fraction form
    55,189.72/82,760.46 = 15,738.04/x
  3. Step 3: Cross multiply
    55,189.72x = 82,760.46 × 15,738.04
  4. Step 4: Simplify right side
    55,189.72x = 1,302,487,429.90
  5. Step 5: Solve for x
    x = 1,302,487,429.90/55,189.72
  6. Step 6: Final answer
    x = 23,600.18

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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.