Home / 54,870.29-82,305.45-15,427.42

Finding the Fourth Proportional to 54,870.29, 82,305.45 and 15,427.42

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Solution

The fourth proportional to 54,870.29, 82,305.45 and 15,427.42 is: 23,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,870.29 : 82,305.45 = 15,427.42 : x
  2. Step 2: Convert to fraction form
    54,870.29/82,305.45 = 15,427.42/x
  3. Step 3: Cross multiply
    54,870.29x = 82,305.45 × 15,427.42
  4. Step 4: Simplify right side
    54,870.29x = 1,269,760,745.44
  5. Step 5: Solve for x
    x = 1,269,760,745.44/54,870.29
  6. Step 6: Final answer
    x = 23,141.13

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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.