Home / 54,156.59-81,227.37-16,717.90

Finding the Fourth Proportional to 54,156.59, 81,227.37 and 16,717.90

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Solution

The fourth proportional to 54,156.59, 81,227.37 and 16,717.90 is: 25,074.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,156.59 : 81,227.37 = 16,717.90 : x
  2. Step 2: Convert to fraction form
    54,156.59/81,227.37 = 16,717.90/x
  3. Step 3: Cross multiply
    54,156.59x = 81,227.37 × 16,717.90
  4. Step 4: Simplify right side
    54,156.59x = 1,357,950,908.55
  5. Step 5: Solve for x
    x = 1,357,950,908.55/54,156.59
  6. Step 6: Final answer
    x = 25,074.53

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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.