Home / 49,866.78-74,777.97-18,268.50

Finding the Fourth Proportional to 49,866.78, 74,777.97 and 18,268.50

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Solution

The fourth proportional to 49,866.78, 74,777.97 and 18,268.50 is: 27,394.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,866.78 : 74,777.97 = 18,268.50 : x
  2. Step 2: Convert to fraction form
    49,866.78/74,777.97 = 18,268.50/x
  3. Step 3: Cross multiply
    49,866.78x = 74,777.97 × 18,268.50
  4. Step 4: Simplify right side
    49,866.78x = 1,366,081,344.95
  5. Step 5: Solve for x
    x = 1,366,081,344.95/49,866.78
  6. Step 6: Final answer
    x = 27,394.62

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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.