Home / 90,505.24-135,704.94-27,306.40

Finding the Fourth Proportional to 90,505.24, 135,704.94 and 27,306.40

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Solution

The fourth proportional to 90,505.24, 135,704.94 and 27,306.40 is: 40,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,505.24 : 135,704.94 = 27,306.40 : x
  2. Step 2: Convert to fraction form
    90,505.24/135,704.94 = 27,306.40/x
  3. Step 3: Cross multiply
    90,505.24x = 135,704.94 × 27,306.40
  4. Step 4: Simplify right side
    90,505.24x = 3,705,613,989.30
  5. Step 5: Solve for x
    x = 3,705,613,989.30/90,505.24
  6. Step 6: Final answer
    x = 40,943.64

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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.