Home / 49,198.68-67,900.05-27,981.18

Finding the Fourth Proportional to 49,198.68, 67,900.05 and 27,981.18

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Solution

The fourth proportional to 49,198.68, 67,900.05 and 27,981.18 is: 38,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,198.68 : 67,900.05 = 27,981.18 : x
  2. Step 2: Convert to fraction form
    49,198.68/67,900.05 = 27,981.18/x
  3. Step 3: Cross multiply
    49,198.68x = 67,900.05 × 27,981.18
  4. Step 4: Simplify right side
    49,198.68x = 1,899,923,521.06
  5. Step 5: Solve for x
    x = 1,899,923,521.06/49,198.68
  6. Step 6: Final answer
    x = 38,617.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.