Home / 57,163.14-85,742.82-17,719.38

Finding the Fourth Proportional to 57,163.14, 85,742.82 and 17,719.38

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Solution

The fourth proportional to 57,163.14, 85,742.82 and 17,719.38 is: 26,578.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,163.14 : 85,742.82 = 17,719.38 : x
  2. Step 2: Convert to fraction form
    57,163.14/85,742.82 = 17,719.38/x
  3. Step 3: Cross multiply
    57,163.14x = 85,742.82 × 17,719.38
  4. Step 4: Simplify right side
    57,163.14x = 1,519,309,609.85
  5. Step 5: Solve for x
    x = 1,519,309,609.85/57,163.14
  6. Step 6: Final answer
    x = 26,578.48

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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.