Home / 49,975.85-74,905.49-18,362.09

Finding the Fourth Proportional to 49,975.85, 74,905.49 and 18,362.09

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Solution

The fourth proportional to 49,975.85, 74,905.49 and 18,362.09 is: 27,521.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,975.85 : 74,905.49 = 18,362.09 : x
  2. Step 2: Convert to fraction form
    49,975.85/74,905.49 = 18,362.09/x
  3. Step 3: Cross multiply
    49,975.85x = 74,905.49 × 18,362.09
  4. Step 4: Simplify right side
    49,975.85x = 1,375,421,582.04
  5. Step 5: Solve for x
    x = 1,375,421,582.04/49,975.85
  6. Step 6: Final answer
    x = 27,521.72

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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.