Home / 54,427.74-81,644.65-16,992.98

Finding the Fourth Proportional to 54,427.74, 81,644.65 and 16,992.98

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Solution

The fourth proportional to 54,427.74, 81,644.65 and 16,992.98 is: 25,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,427.74 : 81,644.65 = 16,992.98 : x
  2. Step 2: Convert to fraction form
    54,427.74/81,644.65 = 16,992.98/x
  3. Step 3: Cross multiply
    54,427.74x = 81,644.65 × 16,992.98
  4. Step 4: Simplify right side
    54,427.74x = 1,387,386,231.97
  5. Step 5: Solve for x
    x = 1,387,386,231.97/54,427.74
  6. Step 6: Final answer
    x = 25,490.42

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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.