Home / 57,617.73-86,412.02-18,171.54

Finding the Fourth Proportional to 57,617.73, 86,412.02 and 18,171.54

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Solution

The fourth proportional to 57,617.73, 86,412.02 and 18,171.54 is: 27,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,617.73 : 86,412.02 = 18,171.54 : x
  2. Step 2: Convert to fraction form
    57,617.73/86,412.02 = 18,171.54/x
  3. Step 3: Cross multiply
    57,617.73x = 86,412.02 × 18,171.54
  4. Step 4: Simplify right side
    57,617.73x = 1,570,239,387.05
  5. Step 5: Solve for x
    x = 1,570,239,387.05/57,617.73
  6. Step 6: Final answer
    x = 27,252.71

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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.