Home / 54,511.76-81,767.68-17,075.06

Finding the Fourth Proportional to 54,511.76, 81,767.68 and 17,075.06

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Solution

The fourth proportional to 54,511.76, 81,767.68 and 17,075.06 is: 25,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,511.76 : 81,767.68 = 17,075.06 : x
  2. Step 2: Convert to fraction form
    54,511.76/81,767.68 = 17,075.06/x
  3. Step 3: Cross multiply
    54,511.76x = 81,767.68 × 17,075.06
  4. Step 4: Simplify right side
    54,511.76x = 1,396,188,042.06
  5. Step 5: Solve for x
    x = 1,396,188,042.06/54,511.76
  6. Step 6: Final answer
    x = 25,612.60

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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.