Home / 54,135.27-81,201.06-19,074

Finding the Fourth Proportional to 54,135.27, 81,201.06 and 19,074

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Solution

The fourth proportional to 54,135.27, 81,201.06 and 19,074 is: 28,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,135.27 : 81,201.06 = 19,074 : x
  2. Step 2: Convert to fraction form
    54,135.27/81,201.06 = 19,074/x
  3. Step 3: Cross multiply
    54,135.27x = 81,201.06 × 19,074
  4. Step 4: Simplify right side
    54,135.27x = 1,548,829,018.44
  5. Step 5: Solve for x
    x = 1,548,829,018.44/54,135.27
  6. Step 6: Final answer
    x = 28,610.35

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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.