Home / 75,453.39-103,993.88-55,267.38

Finding the Fourth Proportional to 75,453.39, 103,993.88 and 55,267.38

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Solution

The fourth proportional to 75,453.39, 103,993.88 and 55,267.38 is: 76,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,453.39 : 103,993.88 = 55,267.38 : x
  2. Step 2: Convert to fraction form
    75,453.39/103,993.88 = 55,267.38/x
  3. Step 3: Cross multiply
    75,453.39x = 103,993.88 × 55,267.38
  4. Step 4: Simplify right side
    75,453.39x = 5,747,469,007.30
  5. Step 5: Solve for x
    x = 5,747,469,007.30/75,453.39
  6. Step 6: Final answer
    x = 76,172.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.