Home / 74,568.96-111,853.41-27,187.60

Finding the Fourth Proportional to 74,568.96, 111,853.41 and 27,187.60

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Solution

The fourth proportional to 74,568.96, 111,853.41 and 27,187.60 is: 40,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,568.96 : 111,853.41 = 27,187.60 : x
  2. Step 2: Convert to fraction form
    74,568.96/111,853.41 = 27,187.60/x
  3. Step 3: Cross multiply
    74,568.96x = 111,853.41 × 27,187.60
  4. Step 4: Simplify right side
    74,568.96x = 3,041,025,769.72
  5. Step 5: Solve for x
    x = 3,041,025,769.72/74,568.96
  6. Step 6: Final answer
    x = 40,781.39

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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.