Home / 54,436.98-81,578.89-43,294.22

Finding the Fourth Proportional to 54,436.98, 81,578.89 and 43,294.22

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Solution

The fourth proportional to 54,436.98, 81,578.89 and 43,294.22 is: 64,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,436.98 : 81,578.89 = 43,294.22 : x
  2. Step 2: Convert to fraction form
    54,436.98/81,578.89 = 43,294.22/x
  3. Step 3: Cross multiply
    54,436.98x = 81,578.89 × 43,294.22
  4. Step 4: Simplify right side
    54,436.98x = 3,531,893,786.65
  5. Step 5: Solve for x
    x = 3,531,893,786.65/54,436.98
  6. Step 6: Final answer
    x = 64,880.41

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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.