Home / 54,190.72-81,300.69-22,590.28

Finding the Fourth Proportional to 54,190.72, 81,300.69 and 22,590.28

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Solution

The fourth proportional to 54,190.72, 81,300.69 and 22,590.28 is: 33,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,190.72 : 81,300.69 = 22,590.28 : x
  2. Step 2: Convert to fraction form
    54,190.72/81,300.69 = 22,590.28/x
  3. Step 3: Cross multiply
    54,190.72x = 81,300.69 × 22,590.28
  4. Step 4: Simplify right side
    54,190.72x = 1,836,605,351.29
  5. Step 5: Solve for x
    x = 1,836,605,351.29/54,190.72
  6. Step 6: Final answer
    x = 33,891.51

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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.