Home / 54,112.60-81,180.06-19,076.68

Finding the Fourth Proportional to 54,112.60, 81,180.06 and 19,076.68

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Solution

The fourth proportional to 54,112.60, 81,180.06 and 19,076.68 is: 28,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,112.60 : 81,180.06 = 19,076.68 : x
  2. Step 2: Convert to fraction form
    54,112.60/81,180.06 = 19,076.68/x
  3. Step 3: Cross multiply
    54,112.60x = 81,180.06 × 19,076.68
  4. Step 4: Simplify right side
    54,112.60x = 1,548,646,027.00
  5. Step 5: Solve for x
    x = 1,548,646,027.00/54,112.60
  6. Step 6: Final answer
    x = 28,618.95

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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.