Home / 56,760.11-85,139.93-17,317.09

Finding the Fourth Proportional to 56,760.11, 85,139.93 and 17,317.09

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Solution

The fourth proportional to 56,760.11, 85,139.93 and 17,317.09 is: 25,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,760.11 : 85,139.93 = 17,317.09 : x
  2. Step 2: Convert to fraction form
    56,760.11/85,139.93 = 17,317.09/x
  3. Step 3: Cross multiply
    56,760.11x = 85,139.93 × 17,317.09
  4. Step 4: Simplify right side
    56,760.11x = 1,474,375,743.82
  5. Step 5: Solve for x
    x = 1,474,375,743.82/56,760.11
  6. Step 6: Final answer
    x = 25,975.56

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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.