Home / 65,367.78-98,022.33-18,609.54

Finding the Fourth Proportional to 65,367.78, 98,022.33 and 18,609.54

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Solution

The fourth proportional to 65,367.78, 98,022.33 and 18,609.54 is: 27,905.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,367.78 : 98,022.33 = 18,609.54 : x
  2. Step 2: Convert to fraction form
    65,367.78/98,022.33 = 18,609.54/x
  3. Step 3: Cross multiply
    65,367.78x = 98,022.33 × 18,609.54
  4. Step 4: Simplify right side
    65,367.78x = 1,824,150,471.03
  5. Step 5: Solve for x
    x = 1,824,150,471.03/65,367.78
  6. Step 6: Final answer
    x = 27,905.96

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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.