Home / 49,735.40-68,659.34-38,961.69

Finding the Fourth Proportional to 49,735.40, 68,659.34 and 38,961.69

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Solution

The fourth proportional to 49,735.40, 68,659.34 and 38,961.69 is: 53,786.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,735.40 : 68,659.34 = 38,961.69 : x
  2. Step 2: Convert to fraction form
    49,735.40/68,659.34 = 38,961.69/x
  3. Step 3: Cross multiply
    49,735.40x = 68,659.34 × 38,961.69
  4. Step 4: Simplify right side
    49,735.40x = 2,675,083,725.88
  5. Step 5: Solve for x
    x = 2,675,083,725.88/49,735.40
  6. Step 6: Final answer
    x = 53,786.32

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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.