Home / 90,198.14-135,167.76-50,672.06

Finding the Fourth Proportional to 90,198.14, 135,167.76 and 50,672.06

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Solution

The fourth proportional to 90,198.14, 135,167.76 and 50,672.06 is: 75,935.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,198.14 : 135,167.76 = 50,672.06 : x
  2. Step 2: Convert to fraction form
    90,198.14/135,167.76 = 50,672.06/x
  3. Step 3: Cross multiply
    90,198.14x = 135,167.76 × 50,672.06
  4. Step 4: Simplify right side
    90,198.14x = 6,849,228,844.79
  5. Step 5: Solve for x
    x = 6,849,228,844.79/90,198.14
  6. Step 6: Final answer
    x = 75,935.37

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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.