Home / 57,235.72-85,865.74-17,791.88

Finding the Fourth Proportional to 57,235.72, 85,865.74 and 17,791.88

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Solution

The fourth proportional to 57,235.72, 85,865.74 and 17,791.88 is: 26,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,235.72 : 85,865.74 = 17,791.88 : x
  2. Step 2: Convert to fraction form
    57,235.72/85,865.74 = 17,791.88/x
  3. Step 3: Cross multiply
    57,235.72x = 85,865.74 × 17,791.88
  4. Step 4: Simplify right side
    57,235.72x = 1,527,712,942.19
  5. Step 5: Solve for x
    x = 1,527,712,942.19/57,235.72
  6. Step 6: Final answer
    x = 26,691.60

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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.