Home / 87,747.90-131,638.24-35,161.48

Finding the Fourth Proportional to 87,747.90, 131,638.24 and 35,161.48

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Solution

The fourth proportional to 87,747.90, 131,638.24 and 35,161.48 is: 52,748.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,747.90 : 131,638.24 = 35,161.48 : x
  2. Step 2: Convert to fraction form
    87,747.90/131,638.24 = 35,161.48/x
  3. Step 3: Cross multiply
    87,747.90x = 131,638.24 × 35,161.48
  4. Step 4: Simplify right side
    87,747.90x = 4,628,595,551.49
  5. Step 5: Solve for x
    x = 4,628,595,551.49/87,747.90
  6. Step 6: Final answer
    x = 52,748.79

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1.5x scale

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.