Home / 90,496.27-135,763.91-27,311.11

Finding the Fourth Proportional to 90,496.27, 135,763.91 and 27,311.11

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Solution

The fourth proportional to 90,496.27, 135,763.91 and 27,311.11 is: 40,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,496.27 : 135,763.91 = 27,311.11 : x
  2. Step 2: Convert to fraction form
    90,496.27/135,763.91 = 27,311.11/x
  3. Step 3: Cross multiply
    90,496.27x = 135,763.91 × 27,311.11
  4. Step 4: Simplify right side
    90,496.27x = 3,707,862,860.12
  5. Step 5: Solve for x
    x = 3,707,862,860.12/90,496.27
  6. Step 6: Final answer
    x = 40,972.55

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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.