Home / 68,782.43-94,936.64-41,939.73

Finding the Fourth Proportional to 68,782.43, 94,936.64 and 41,939.73

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Solution

The fourth proportional to 68,782.43, 94,936.64 and 41,939.73 is: 57,887.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,782.43 : 94,936.64 = 41,939.73 : x
  2. Step 2: Convert to fraction form
    68,782.43/94,936.64 = 41,939.73/x
  3. Step 3: Cross multiply
    68,782.43x = 94,936.64 × 41,939.73
  4. Step 4: Simplify right side
    68,782.43x = 3,981,616,839.01
  5. Step 5: Solve for x
    x = 3,981,616,839.01/68,782.43
  6. Step 6: Final answer
    x = 57,887.12

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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.