Home / 49,857.99-74,765.07-18,671.37

Finding the Fourth Proportional to 49,857.99, 74,765.07 and 18,671.37

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Solution

The fourth proportional to 49,857.99, 74,765.07 and 18,671.37 is: 27,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,857.99 : 74,765.07 = 18,671.37 : x
  2. Step 2: Convert to fraction form
    49,857.99/74,765.07 = 18,671.37/x
  3. Step 3: Cross multiply
    49,857.99x = 74,765.07 × 18,671.37
  4. Step 4: Simplify right side
    49,857.99x = 1,395,966,285.05
  5. Step 5: Solve for x
    x = 1,395,966,285.05/49,857.99
  6. Step 6: Final answer
    x = 27,998.85

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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.