Home / 54,754.05-82,141.21-17,323.55

Finding the Fourth Proportional to 54,754.05, 82,141.21 and 17,323.55

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Solution

The fourth proportional to 54,754.05, 82,141.21 and 17,323.55 is: 25,988.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,754.05 : 82,141.21 = 17,323.55 : x
  2. Step 2: Convert to fraction form
    54,754.05/82,141.21 = 17,323.55/x
  3. Step 3: Cross multiply
    54,754.05x = 82,141.21 × 17,323.55
  4. Step 4: Simplify right side
    54,754.05x = 1,422,977,095.17
  5. Step 5: Solve for x
    x = 1,422,977,095.17/54,754.05
  6. Step 6: Final answer
    x = 25,988.53

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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.