Home / 49,756.36-74,610.90-18,144.04

Finding the Fourth Proportional to 49,756.36, 74,610.90 and 18,144.04

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Solution

The fourth proportional to 49,756.36, 74,610.90 and 18,144.04 is: 27,207.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,756.36 : 74,610.90 = 18,144.04 : x
  2. Step 2: Convert to fraction form
    49,756.36/74,610.90 = 18,144.04/x
  3. Step 3: Cross multiply
    49,756.36x = 74,610.90 × 18,144.04
  4. Step 4: Simplify right side
    49,756.36x = 1,353,743,154.04
  5. Step 5: Solve for x
    x = 1,353,743,154.04/49,756.36
  6. Step 6: Final answer
    x = 27,207.44

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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.