Home / 54,331.98-81,509.49-16,891.14

Finding the Fourth Proportional to 54,331.98, 81,509.49 and 16,891.14

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Solution

The fourth proportional to 54,331.98, 81,509.49 and 16,891.14 is: 25,340.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,331.98 : 81,509.49 = 16,891.14 : x
  2. Step 2: Convert to fraction form
    54,331.98/81,509.49 = 16,891.14/x
  3. Step 3: Cross multiply
    54,331.98x = 81,509.49 × 16,891.14
  4. Step 4: Simplify right side
    54,331.98x = 1,376,788,206.92
  5. Step 5: Solve for x
    x = 1,376,788,206.92/54,331.98
  6. Step 6: Final answer
    x = 25,340.29

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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.