Home / 54,767.88-82,161.54-28,470.42

Finding the Fourth Proportional to 54,767.88, 82,161.54 and 28,470.42

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Solution

The fourth proportional to 54,767.88, 82,161.54 and 28,470.42 is: 42,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,767.88 : 82,161.54 = 28,470.42 : x
  2. Step 2: Convert to fraction form
    54,767.88/82,161.54 = 28,470.42/x
  3. Step 3: Cross multiply
    54,767.88x = 82,161.54 × 28,470.42
  4. Step 4: Simplify right side
    54,767.88x = 2,339,173,551.65
  5. Step 5: Solve for x
    x = 2,339,173,551.65/54,767.88
  6. Step 6: Final answer
    x = 42,710.68

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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.