Home / 54,371.88-81,565.42-16,934.66

Finding the Fourth Proportional to 54,371.88, 81,565.42 and 16,934.66

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Solution

The fourth proportional to 54,371.88, 81,565.42 and 16,934.66 is: 25,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,371.88 : 81,565.42 = 16,934.66 : x
  2. Step 2: Convert to fraction form
    54,371.88/81,565.42 = 16,934.66/x
  3. Step 3: Cross multiply
    54,371.88x = 81,565.42 × 16,934.66
  4. Step 4: Simplify right side
    54,371.88x = 1,381,282,655.46
  5. Step 5: Solve for x
    x = 1,381,282,655.46/54,371.88
  6. Step 6: Final answer
    x = 25,404.36

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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.