Home / 54,131.90-81,194.20-19,067.00

Finding the Fourth Proportional to 54,131.90, 81,194.20 and 19,067.00

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Solution

The fourth proportional to 54,131.90, 81,194.20 and 19,067.00 is: 28,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,131.90 : 81,194.20 = 19,067.00 : x
  2. Step 2: Convert to fraction form
    54,131.90/81,194.20 = 19,067.00/x
  3. Step 3: Cross multiply
    54,131.90x = 81,194.20 × 19,067.00
  4. Step 4: Simplify right side
    54,131.90x = 1,548,129,357.76
  5. Step 5: Solve for x
    x = 1,548,129,357.76/54,131.90
  6. Step 6: Final answer
    x = 28,599.21

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1.5x scale

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.