Home / 54,355.62-74,976.22-39,270.44

Finding the Fourth Proportional to 54,355.62, 74,976.22 and 39,270.44

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Solution

The fourth proportional to 54,355.62, 74,976.22 and 39,270.44 is: 54,168.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,355.62 : 74,976.22 = 39,270.44 : x
  2. Step 2: Convert to fraction form
    54,355.62/74,976.22 = 39,270.44/x
  3. Step 3: Cross multiply
    54,355.62x = 74,976.22 × 39,270.44
  4. Step 4: Simplify right side
    54,355.62x = 2,944,349,148.94
  5. Step 5: Solve for x
    x = 2,944,349,148.94/54,355.62
  6. Step 6: Final answer
    x = 54,168.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.