Home / 45,329.38-67,993.99-12,049.45

Finding the Fourth Proportional to 45,329.38, 67,993.99 and 12,049.45

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Solution

The fourth proportional to 45,329.38, 67,993.99 and 12,049.45 is: 18,074.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,329.38 : 67,993.99 = 12,049.45 : x
  2. Step 2: Convert to fraction form
    45,329.38/67,993.99 = 12,049.45/x
  3. Step 3: Cross multiply
    45,329.38x = 67,993.99 × 12,049.45
  4. Step 4: Simplify right side
    45,329.38x = 819,289,982.70
  5. Step 5: Solve for x
    x = 819,289,982.70/45,329.38
  6. Step 6: Final answer
    x = 18,074.15

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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.