Home / 57,979.43-86,973.38-17,993.33

Finding the Fourth Proportional to 57,979.43, 86,973.38 and 17,993.33

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Solution

The fourth proportional to 57,979.43, 86,973.38 and 17,993.33 is: 26,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,979.43 : 86,973.38 = 17,993.33 : x
  2. Step 2: Convert to fraction form
    57,979.43/86,973.38 = 17,993.33/x
  3. Step 3: Cross multiply
    57,979.43x = 86,973.38 × 17,993.33
  4. Step 4: Simplify right side
    57,979.43x = 1,564,940,549.95
  5. Step 5: Solve for x
    x = 1,564,940,549.95/57,979.43
  6. Step 6: Final answer
    x = 26,991.30

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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.