Home / 74,149.20-111,170.96-34,684.80

Finding the Fourth Proportional to 74,149.20, 111,170.96 and 34,684.80

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Solution

The fourth proportional to 74,149.20, 111,170.96 and 34,684.80 is: 52,002.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,149.20 : 111,170.96 = 34,684.80 : x
  2. Step 2: Convert to fraction form
    74,149.20/111,170.96 = 34,684.80/x
  3. Step 3: Cross multiply
    74,149.20x = 111,170.96 × 34,684.80
  4. Step 4: Simplify right side
    74,149.20x = 3,855,942,513.41
  5. Step 5: Solve for x
    x = 3,855,942,513.41/74,149.20
  6. Step 6: Final answer
    x = 52,002.48

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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.