Home / 49,860.87-74,769.38-18,674.25

Finding the Fourth Proportional to 49,860.87, 74,769.38 and 18,674.25

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Solution

The fourth proportional to 49,860.87, 74,769.38 and 18,674.25 is: 28,003.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,860.87 : 74,769.38 = 18,674.25 : x
  2. Step 2: Convert to fraction form
    49,860.87/74,769.38 = 18,674.25/x
  3. Step 3: Cross multiply
    49,860.87x = 74,769.38 × 18,674.25
  4. Step 4: Simplify right side
    49,860.87x = 1,396,262,001.09
  5. Step 5: Solve for x
    x = 1,396,262,001.09/49,860.87
  6. Step 6: Final answer
    x = 28,003.16

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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.