Home / 87,353.26-131,080.72-36,748.60

Finding the Fourth Proportional to 87,353.26, 131,080.72 and 36,748.60

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Solution

The fourth proportional to 87,353.26, 131,080.72 and 36,748.60 is: 55,144.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,353.26 : 131,080.72 = 36,748.60 : x
  2. Step 2: Convert to fraction form
    87,353.26/131,080.72 = 36,748.60/x
  3. Step 3: Cross multiply
    87,353.26x = 131,080.72 × 36,748.60
  4. Step 4: Simplify right side
    87,353.26x = 4,817,032,946.99
  5. Step 5: Solve for x
    x = 4,817,032,946.99/87,353.26
  6. Step 6: Final answer
    x = 55,144.28

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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.