Home / 49,989.96-74,982.96-27,789.30

Finding the Fourth Proportional to 49,989.96, 74,982.96 and 27,789.30

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Solution

The fourth proportional to 49,989.96, 74,982.96 and 27,789.30 is: 41,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,989.96 : 74,982.96 = 27,789.30 : x
  2. Step 2: Convert to fraction form
    49,989.96/74,982.96 = 27,789.30/x
  3. Step 3: Cross multiply
    49,989.96x = 74,982.96 × 27,789.30
  4. Step 4: Simplify right side
    49,989.96x = 2,083,723,970.33
  5. Step 5: Solve for x
    x = 2,083,723,970.33/49,989.96
  6. Step 6: Final answer
    x = 41,682.85

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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.