Home / 89,171.91-133,718.97-33,729.03

Finding the Fourth Proportional to 89,171.91, 133,718.97 and 33,729.03

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Solution

The fourth proportional to 89,171.91, 133,718.97 and 33,729.03 is: 50,578.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,171.91 : 133,718.97 = 33,729.03 : x
  2. Step 2: Convert to fraction form
    89,171.91/133,718.97 = 33,729.03/x
  3. Step 3: Cross multiply
    89,171.91x = 133,718.97 × 33,729.03
  4. Step 4: Simplify right side
    89,171.91x = 4,510,211,150.70
  5. Step 5: Solve for x
    x = 4,510,211,150.70/89,171.91
  6. Step 6: Final answer
    x = 50,578.83

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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.