Home / 49,668.93-74,550.21-18,109.50

Finding the Fourth Proportional to 49,668.93, 74,550.21 and 18,109.50

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Solution

The fourth proportional to 49,668.93, 74,550.21 and 18,109.50 is: 27,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,668.93 : 74,550.21 = 18,109.50 : x
  2. Step 2: Convert to fraction form
    49,668.93/74,550.21 = 18,109.50/x
  3. Step 3: Cross multiply
    49,668.93x = 74,550.21 × 18,109.50
  4. Step 4: Simplify right side
    49,668.93x = 1,350,067,028.00
  5. Step 5: Solve for x
    x = 1,350,067,028.00/49,668.93
  6. Step 6: Final answer
    x = 27,181.32

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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.