Home / 68,781.87-94,935.85-41,939.17

Finding the Fourth Proportional to 68,781.87, 94,935.85 and 41,939.17

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Solution

The fourth proportional to 68,781.87, 94,935.85 and 41,939.17 is: 57,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,781.87 : 94,935.85 = 41,939.17 : x
  2. Step 2: Convert to fraction form
    68,781.87/94,935.85 = 41,939.17/x
  3. Step 3: Cross multiply
    68,781.87x = 94,935.85 × 41,939.17
  4. Step 4: Simplify right side
    68,781.87x = 3,981,530,410.06
  5. Step 5: Solve for x
    x = 3,981,530,410.06/68,781.87
  6. Step 6: Final answer
    x = 57,886.34

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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.