Home / 95,489.51-131,778.97-55,215.90

Finding the Fourth Proportional to 95,489.51, 131,778.97 and 55,215.90

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Solution

The fourth proportional to 95,489.51, 131,778.97 and 55,215.90 is: 76,199.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,489.51 : 131,778.97 = 55,215.90 : x
  2. Step 2: Convert to fraction form
    95,489.51/131,778.97 = 55,215.90/x
  3. Step 3: Cross multiply
    95,489.51x = 131,778.97 × 55,215.90
  4. Step 4: Simplify right side
    95,489.51x = 7,276,294,429.62
  5. Step 5: Solve for x
    x = 7,276,294,429.62/95,489.51
  6. Step 6: Final answer
    x = 76,199.93

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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.