Home / 65,936.33-90,992.16-35,721.86

Finding the Fourth Proportional to 65,936.33, 90,992.16 and 35,721.86

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Solution

The fourth proportional to 65,936.33, 90,992.16 and 35,721.86 is: 49,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,936.33 : 90,992.16 = 35,721.86 : x
  2. Step 2: Convert to fraction form
    65,936.33/90,992.16 = 35,721.86/x
  3. Step 3: Cross multiply
    65,936.33x = 90,992.16 × 35,721.86
  4. Step 4: Simplify right side
    65,936.33x = 3,250,409,257.49
  5. Step 5: Solve for x
    x = 3,250,409,257.49/65,936.33
  6. Step 6: Final answer
    x = 49,296.18

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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.