Home / 87,408.80-131,048.40-59,258.60

Finding the Fourth Proportional to 87,408.80, 131,048.40 and 59,258.60

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Solution

The fourth proportional to 87,408.80, 131,048.40 and 59,258.60 is: 88,843.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,408.80 : 131,048.40 = 59,258.60 : x
  2. Step 2: Convert to fraction form
    87,408.80/131,048.40 = 59,258.60/x
  3. Step 3: Cross multiply
    87,408.80x = 131,048.40 × 59,258.60
  4. Step 4: Simplify right side
    87,408.80x = 7,765,744,716.24
  5. Step 5: Solve for x
    x = 7,765,744,716.24/87,408.80
  6. Step 6: Final answer
    x = 88,843.97

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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.