Home / 87,849.98-131,787.81-25,512.38

Finding the Fourth Proportional to 87,849.98, 131,787.81 and 25,512.38

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Solution

The fourth proportional to 87,849.98, 131,787.81 and 25,512.38 is: 38,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,849.98 : 131,787.81 = 25,512.38 : x
  2. Step 2: Convert to fraction form
    87,849.98/131,787.81 = 25,512.38/x
  3. Step 3: Cross multiply
    87,849.98x = 131,787.81 × 25,512.38
  4. Step 4: Simplify right side
    87,849.98x = 3,362,220,688.09
  5. Step 5: Solve for x
    x = 3,362,220,688.09/87,849.98
  6. Step 6: Final answer
    x = 38,272.30

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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.