Home / 67,079.22-100,615.83-19,692.42

Finding the Fourth Proportional to 67,079.22, 100,615.83 and 19,692.42

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Solution

The fourth proportional to 67,079.22, 100,615.83 and 19,692.42 is: 29,537.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,079.22 : 100,615.83 = 19,692.42 : x
  2. Step 2: Convert to fraction form
    67,079.22/100,615.83 = 19,692.42/x
  3. Step 3: Cross multiply
    67,079.22x = 100,615.83 × 19,692.42
  4. Step 4: Simplify right side
    67,079.22x = 1,981,369,183.01
  5. Step 5: Solve for x
    x = 1,981,369,183.01/67,079.22
  6. Step 6: Final answer
    x = 29,537.75

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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.