Home / 87,965.82-131,954.67-43,580.66

Finding the Fourth Proportional to 87,965.82, 131,954.67 and 43,580.66

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Solution

The fourth proportional to 87,965.82, 131,954.67 and 43,580.66 is: 65,373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,965.82 : 131,954.67 = 43,580.66 : x
  2. Step 2: Convert to fraction form
    87,965.82/131,954.67 = 43,580.66/x
  3. Step 3: Cross multiply
    87,965.82x = 131,954.67 × 43,580.66
  4. Step 4: Simplify right side
    87,965.82x = 5,750,670,948.91
  5. Step 5: Solve for x
    x = 5,750,670,948.91/87,965.82
  6. Step 6: Final answer
    x = 65,373.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.