Home / 57,595.26-86,390.21-20,163.73

Finding the Fourth Proportional to 57,595.26, 86,390.21 and 20,163.73

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Solution

The fourth proportional to 57,595.26, 86,390.21 and 20,163.73 is: 30,244.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,595.26 : 86,390.21 = 20,163.73 : x
  2. Step 2: Convert to fraction form
    57,595.26/86,390.21 = 20,163.73/x
  3. Step 3: Cross multiply
    57,595.26x = 86,390.21 × 20,163.73
  4. Step 4: Simplify right side
    57,595.26x = 1,741,948,869.08
  5. Step 5: Solve for x
    x = 1,741,948,869.08/57,595.26
  6. Step 6: Final answer
    x = 30,244.66

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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.