Home / 45,078.22-67,617.33-17,356.78

Finding the Fourth Proportional to 45,078.22, 67,617.33 and 17,356.78

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Solution

The fourth proportional to 45,078.22, 67,617.33 and 17,356.78 is: 26,035.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,078.22 : 67,617.33 = 17,356.78 : x
  2. Step 2: Convert to fraction form
    45,078.22/67,617.33 = 17,356.78/x
  3. Step 3: Cross multiply
    45,078.22x = 67,617.33 × 17,356.78
  4. Step 4: Simplify right side
    45,078.22x = 1,173,619,121.00
  5. Step 5: Solve for x
    x = 1,173,619,121.00/45,078.22
  6. Step 6: Final answer
    x = 26,035.17

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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.