Home / 69,853.22-104,778.81-17,262.71

Finding the Fourth Proportional to 69,853.22, 104,778.81 and 17,262.71

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Solution

The fourth proportional to 69,853.22, 104,778.81 and 17,262.71 is: 25,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,853.22 : 104,778.81 = 17,262.71 : x
  2. Step 2: Convert to fraction form
    69,853.22/104,778.81 = 17,262.71/x
  3. Step 3: Cross multiply
    69,853.22x = 104,778.81 × 17,262.71
  4. Step 4: Simplify right side
    69,853.22x = 1,808,766,080.20
  5. Step 5: Solve for x
    x = 1,808,766,080.20/69,853.22
  6. Step 6: Final answer
    x = 25,893.81

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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.