Home / 87,568.90-120,836.35-49,327.38

Finding the Fourth Proportional to 87,568.90, 120,836.35 and 49,327.38

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Solution

The fourth proportional to 87,568.90, 120,836.35 and 49,327.38 is: 68,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,568.90 : 120,836.35 = 49,327.38 : x
  2. Step 2: Convert to fraction form
    87,568.90/120,836.35 = 49,327.38/x
  3. Step 3: Cross multiply
    87,568.90x = 120,836.35 × 49,327.38
  4. Step 4: Simplify right side
    87,568.90x = 5,960,540,554.26
  5. Step 5: Solve for x
    x = 5,960,540,554.26/87,568.90
  6. Step 6: Final answer
    x = 68,066.87

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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.