Home / 65,936.97-90,992.30-35,721.54

Finding the Fourth Proportional to 65,936.97, 90,992.30 and 35,721.54

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Solution

The fourth proportional to 65,936.97, 90,992.30 and 35,721.54 is: 49,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,936.97 : 90,992.30 = 35,721.54 : x
  2. Step 2: Convert to fraction form
    65,936.97/90,992.30 = 35,721.54/x
  3. Step 3: Cross multiply
    65,936.97x = 90,992.30 × 35,721.54
  4. Step 4: Simplify right side
    65,936.97x = 3,250,384,905.53
  5. Step 5: Solve for x
    x = 3,250,384,905.53/65,936.97
  6. Step 6: Final answer
    x = 49,295.33

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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.