Home / 49,847.72-74,749.70-18,661.10

Finding the Fourth Proportional to 49,847.72, 74,749.70 and 18,661.10

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Solution

The fourth proportional to 49,847.72, 74,749.70 and 18,661.10 is: 27,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,847.72 : 74,749.70 = 18,661.10 : x
  2. Step 2: Convert to fraction form
    49,847.72/74,749.70 = 18,661.10/x
  3. Step 3: Cross multiply
    49,847.72x = 74,749.70 × 18,661.10
  4. Step 4: Simplify right side
    49,847.72x = 1,394,911,626.67
  5. Step 5: Solve for x
    x = 1,394,911,626.67/49,847.72
  6. Step 6: Final answer
    x = 27,983.46

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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.