Home / 87,788.40-131,682.60-59,794.80

Finding the Fourth Proportional to 87,788.40, 131,682.60 and 59,794.80

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Solution

The fourth proportional to 87,788.40, 131,682.60 and 59,794.80 is: 89,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,788.40 : 131,682.60 = 59,794.80 : x
  2. Step 2: Convert to fraction form
    87,788.40/131,682.60 = 59,794.80/x
  3. Step 3: Cross multiply
    87,788.40x = 131,682.60 × 59,794.80
  4. Step 4: Simplify right side
    87,788.40x = 7,873,934,730.48
  5. Step 5: Solve for x
    x = 7,873,934,730.48/87,788.40
  6. Step 6: Final answer
    x = 89,692.20

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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.