Home / 90,266.76-135,421.77-27,937.26

Finding the Fourth Proportional to 90,266.76, 135,421.77 and 27,937.26

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Solution

The fourth proportional to 90,266.76, 135,421.77 and 27,937.26 is: 41,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,266.76 : 135,421.77 = 27,937.26 : x
  2. Step 2: Convert to fraction form
    90,266.76/135,421.77 = 27,937.26/x
  3. Step 3: Cross multiply
    90,266.76x = 135,421.77 × 27,937.26
  4. Step 4: Simplify right side
    90,266.76x = 3,783,313,198.15
  5. Step 5: Solve for x
    x = 3,783,313,198.15/90,266.76
  6. Step 6: Final answer
    x = 41,912.58

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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.