Home / 49,387.20-68,137.38-27,874.38

Finding the Fourth Proportional to 49,387.20, 68,137.38 and 27,874.38

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Solution

The fourth proportional to 49,387.20, 68,137.38 and 27,874.38 is: 38,457.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,387.20 : 68,137.38 = 27,874.38 : x
  2. Step 2: Convert to fraction form
    49,387.20/68,137.38 = 27,874.38/x
  3. Step 3: Cross multiply
    49,387.20x = 68,137.38 × 27,874.38
  4. Step 4: Simplify right side
    49,387.20x = 1,899,287,222.32
  5. Step 5: Solve for x
    x = 1,899,287,222.32/49,387.20
  6. Step 6: Final answer
    x = 38,457.07

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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.