Home / 68,857.92-95,033.64-40,187.04

Finding the Fourth Proportional to 68,857.92, 95,033.64 and 40,187.04

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Solution

The fourth proportional to 68,857.92, 95,033.64 and 40,187.04 is: 55,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,857.92 : 95,033.64 = 40,187.04 : x
  2. Step 2: Convert to fraction form
    68,857.92/95,033.64 = 40,187.04/x
  3. Step 3: Cross multiply
    68,857.92x = 95,033.64 × 40,187.04
  4. Step 4: Simplify right side
    68,857.92x = 3,819,120,692.03
  5. Step 5: Solve for x
    x = 3,819,120,692.03/68,857.92
  6. Step 6: Final answer
    x = 55,463.78

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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.