Home / 87,627.63-131,388.80-34,256.04

Finding the Fourth Proportional to 87,627.63, 131,388.80 and 34,256.04

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Solution

The fourth proportional to 87,627.63, 131,388.80 and 34,256.04 is: 51,363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,627.63 : 131,388.80 = 34,256.04 : x
  2. Step 2: Convert to fraction form
    87,627.63/131,388.80 = 34,256.04/x
  3. Step 3: Cross multiply
    87,627.63x = 131,388.80 × 34,256.04
  4. Step 4: Simplify right side
    87,627.63x = 4,500,860,304.29
  5. Step 5: Solve for x
    x = 4,500,860,304.29/87,627.63
  6. Step 6: Final answer
    x = 51,363.48

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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.