Home / 54,749.73-82,139.19-17,310.51

Finding the Fourth Proportional to 54,749.73, 82,139.19 and 17,310.51

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Solution

The fourth proportional to 54,749.73, 82,139.19 and 17,310.51 is: 25,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,749.73 : 82,139.19 = 17,310.51 : x
  2. Step 2: Convert to fraction form
    54,749.73/82,139.19 = 17,310.51/x
  3. Step 3: Cross multiply
    54,749.73x = 82,139.19 × 17,310.51
  4. Step 4: Simplify right side
    54,749.73x = 1,421,870,859.19
  5. Step 5: Solve for x
    x = 1,421,870,859.19/54,749.73
  6. Step 6: Final answer
    x = 25,970.37

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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.