Home / 57,146.18-85,721.72-17,704.04

Finding the Fourth Proportional to 57,146.18, 85,721.72 and 17,704.04

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Solution

The fourth proportional to 57,146.18, 85,721.72 and 17,704.04 is: 26,556.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,146.18 : 85,721.72 = 17,704.04 : x
  2. Step 2: Convert to fraction form
    57,146.18/85,721.72 = 17,704.04/x
  3. Step 3: Cross multiply
    57,146.18x = 85,721.72 × 17,704.04
  4. Step 4: Simplify right side
    57,146.18x = 1,517,620,242.62
  5. Step 5: Solve for x
    x = 1,517,620,242.62/57,146.18
  6. Step 6: Final answer
    x = 26,556.81

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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.