Home / 87,965.54-131,865.51-28,759.82

Finding the Fourth Proportional to 87,965.54, 131,865.51 and 28,759.82

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Solution

The fourth proportional to 87,965.54, 131,865.51 and 28,759.82 is: 43,112.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,965.54 : 131,865.51 = 28,759.82 : x
  2. Step 2: Convert to fraction form
    87,965.54/131,865.51 = 28,759.82/x
  3. Step 3: Cross multiply
    87,965.54x = 131,865.51 × 28,759.82
  4. Step 4: Simplify right side
    87,965.54x = 3,792,428,331.81
  5. Step 5: Solve for x
    x = 3,792,428,331.81/87,965.54
  6. Step 6: Final answer
    x = 43,112.66

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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.