Home / 54,093.78-81,148.34-16,656.98

Finding the Fourth Proportional to 54,093.78, 81,148.34 and 16,656.98

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Solution

The fourth proportional to 54,093.78, 81,148.34 and 16,656.98 is: 24,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,093.78 : 81,148.34 = 16,656.98 : x
  2. Step 2: Convert to fraction form
    54,093.78/81,148.34 = 16,656.98/x
  3. Step 3: Cross multiply
    54,093.78x = 81,148.34 × 16,656.98
  4. Step 4: Simplify right side
    54,093.78x = 1,351,685,912.31
  5. Step 5: Solve for x
    x = 1,351,685,912.31/54,093.78
  6. Step 6: Final answer
    x = 24,987.83

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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.