Home / 67,178.21-100,778.27-22,800.33

Finding the Fourth Proportional to 67,178.21, 100,778.27 and 22,800.33

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Solution

The fourth proportional to 67,178.21, 100,778.27 and 22,800.33 is: 34,204.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,178.21 : 100,778.27 = 22,800.33 : x
  2. Step 2: Convert to fraction form
    67,178.21/100,778.27 = 22,800.33/x
  3. Step 3: Cross multiply
    67,178.21x = 100,778.27 × 22,800.33
  4. Step 4: Simplify right side
    67,178.21x = 2,297,777,698.83
  5. Step 5: Solve for x
    x = 2,297,777,698.83/67,178.21
  6. Step 6: Final answer
    x = 34,204.21

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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.