Home / 57,575.14-86,387.83-20,162.06

Finding the Fourth Proportional to 57,575.14, 86,387.83 and 20,162.06

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Solution

The fourth proportional to 57,575.14, 86,387.83 and 20,162.06 is: 30,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,575.14 : 86,387.83 = 20,162.06 : x
  2. Step 2: Convert to fraction form
    57,575.14/86,387.83 = 20,162.06/x
  3. Step 3: Cross multiply
    57,575.14x = 86,387.83 × 20,162.06
  4. Step 4: Simplify right side
    57,575.14x = 1,741,756,611.73
  5. Step 5: Solve for x
    x = 1,741,756,611.73/57,575.14
  6. Step 6: Final answer
    x = 30,251.89

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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.