Home / 54,113.33-81,162.38-18,574.07

Finding the Fourth Proportional to 54,113.33, 81,162.38 and 18,574.07

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Solution

The fourth proportional to 54,113.33, 81,162.38 and 18,574.07 is: 27,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,113.33 : 81,162.38 = 18,574.07 : x
  2. Step 2: Convert to fraction form
    54,113.33/81,162.38 = 18,574.07/x
  3. Step 3: Cross multiply
    54,113.33x = 81,162.38 × 18,574.07
  4. Step 4: Simplify right side
    54,113.33x = 1,507,515,228.80
  5. Step 5: Solve for x
    x = 1,507,515,228.80/54,113.33
  6. Step 6: Final answer
    x = 27,858.48

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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.