Home / 87,908.04-131,865.66-25,578.54

Finding the Fourth Proportional to 87,908.04, 131,865.66 and 25,578.54

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Solution

The fourth proportional to 87,908.04, 131,865.66 and 25,578.54 is: 38,368.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,908.04 : 131,865.66 = 25,578.54 : x
  2. Step 2: Convert to fraction form
    87,908.04/131,865.66 = 25,578.54/x
  3. Step 3: Cross multiply
    87,908.04x = 131,865.66 × 25,578.54
  4. Step 4: Simplify right side
    87,908.04x = 3,372,931,058.94
  5. Step 5: Solve for x
    x = 3,372,931,058.94/87,908.04
  6. Step 6: Final answer
    x = 38,368.86

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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.