Home / 54,134.88-81,200.43-19,073.76

Finding the Fourth Proportional to 54,134.88, 81,200.43 and 19,073.76

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Solution

The fourth proportional to 54,134.88, 81,200.43 and 19,073.76 is: 28,609.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,134.88 : 81,200.43 = 19,073.76 : x
  2. Step 2: Convert to fraction form
    54,134.88/81,200.43 = 19,073.76/x
  3. Step 3: Cross multiply
    54,134.88x = 81,200.43 × 19,073.76
  4. Step 4: Simplify right side
    54,134.88x = 1,548,797,513.72
  5. Step 5: Solve for x
    x = 1,548,797,513.72/54,134.88
  6. Step 6: Final answer
    x = 28,609.97

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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.