Home / 49,189.65-73,788.99-21,103.37

Finding the Fourth Proportional to 49,189.65, 73,788.99 and 21,103.37

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Solution

The fourth proportional to 49,189.65, 73,788.99 and 21,103.37 is: 31,656.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,189.65 : 73,788.99 = 21,103.37 : x
  2. Step 2: Convert to fraction form
    49,189.65/73,788.99 = 21,103.37/x
  3. Step 3: Cross multiply
    49,189.65x = 73,788.99 × 21,103.37
  4. Step 4: Simplify right side
    49,189.65x = 1,557,196,357.90
  5. Step 5: Solve for x
    x = 1,557,196,357.90/49,189.65
  6. Step 6: Final answer
    x = 31,656.99

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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.