Home / 57,166.28-85,759.06-19,716.33

Finding the Fourth Proportional to 57,166.28, 85,759.06 and 19,716.33

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Solution

The fourth proportional to 57,166.28, 85,759.06 and 19,716.33 is: 29,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,166.28 : 85,759.06 = 19,716.33 : x
  2. Step 2: Convert to fraction form
    57,166.28/85,759.06 = 19,716.33/x
  3. Step 3: Cross multiply
    57,166.28x = 85,759.06 × 19,716.33
  4. Step 4: Simplify right side
    57,166.28x = 1,690,854,273.69
  5. Step 5: Solve for x
    x = 1,690,854,273.69/57,166.28
  6. Step 6: Final answer
    x = 29,577.83

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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.