Home / 90,168.89-135,226.89-33,968.45

Finding the Fourth Proportional to 90,168.89, 135,226.89 and 33,968.45

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Solution

The fourth proportional to 90,168.89, 135,226.89 and 33,968.45 is: 50,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,168.89 : 135,226.89 = 33,968.45 : x
  2. Step 2: Convert to fraction form
    90,168.89/135,226.89 = 33,968.45/x
  3. Step 3: Cross multiply
    90,168.89x = 135,226.89 × 33,968.45
  4. Step 4: Simplify right side
    90,168.89x = 4,593,447,175.49
  5. Step 5: Solve for x
    x = 4,593,447,175.49/90,168.89
  6. Step 6: Final answer
    x = 50,942.71

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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.