Home / 68,984.36-95,198.79-40,305.70

Finding the Fourth Proportional to 68,984.36, 95,198.79 and 40,305.70

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Solution

The fourth proportional to 68,984.36, 95,198.79 and 40,305.70 is: 55,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,984.36 : 95,198.79 = 40,305.70 : x
  2. Step 2: Convert to fraction form
    68,984.36/95,198.79 = 40,305.70/x
  3. Step 3: Cross multiply
    68,984.36x = 95,198.79 × 40,305.70
  4. Step 4: Simplify right side
    68,984.36x = 3,837,054,140.25
  5. Step 5: Solve for x
    x = 3,837,054,140.25/68,984.36
  6. Step 6: Final answer
    x = 55,622.09

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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.