Home / 48,858.11-73,290.07-18,872.58

Finding the Fourth Proportional to 48,858.11, 73,290.07 and 18,872.58

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Solution

The fourth proportional to 48,858.11, 73,290.07 and 18,872.58 is: 28,309.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,858.11 : 73,290.07 = 18,872.58 : x
  2. Step 2: Convert to fraction form
    48,858.11/73,290.07 = 18,872.58/x
  3. Step 3: Cross multiply
    48,858.11x = 73,290.07 × 18,872.58
  4. Step 4: Simplify right side
    48,858.11x = 1,383,172,709.28
  5. Step 5: Solve for x
    x = 1,383,172,709.28/48,858.11
  6. Step 6: Final answer
    x = 28,309.99

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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.