Home / 54,481.11-81,726.38-15,038.23

Finding the Fourth Proportional to 54,481.11, 81,726.38 and 15,038.23

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Solution

The fourth proportional to 54,481.11, 81,726.38 and 15,038.23 is: 22,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,481.11 : 81,726.38 = 15,038.23 : x
  2. Step 2: Convert to fraction form
    54,481.11/81,726.38 = 15,038.23/x
  3. Step 3: Cross multiply
    54,481.11x = 81,726.38 × 15,038.23
  4. Step 4: Simplify right side
    54,481.11x = 1,229,020,099.51
  5. Step 5: Solve for x
    x = 1,229,020,099.51/54,481.11
  6. Step 6: Final answer
    x = 22,558.65

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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.