Home / 54,579.06-81,871.47-17,645.94

Finding the Fourth Proportional to 54,579.06, 81,871.47 and 17,645.94

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Solution

The fourth proportional to 54,579.06, 81,871.47 and 17,645.94 is: 26,469.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,579.06 : 81,871.47 = 17,645.94 : x
  2. Step 2: Convert to fraction form
    54,579.06/81,871.47 = 17,645.94/x
  3. Step 3: Cross multiply
    54,579.06x = 81,871.47 × 17,645.94
  4. Step 4: Simplify right side
    54,579.06x = 1,444,699,047.33
  5. Step 5: Solve for x
    x = 1,444,699,047.33/54,579.06
  6. Step 6: Final answer
    x = 26,469.84

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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.