Home / 54,076.61-81,115.10-16,636.43

Finding the Fourth Proportional to 54,076.61, 81,115.10 and 16,636.43

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Solution

The fourth proportional to 54,076.61, 81,115.10 and 16,636.43 is: 24,954.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,076.61 : 81,115.10 = 16,636.43 : x
  2. Step 2: Convert to fraction form
    54,076.61/81,115.10 = 16,636.43/x
  3. Step 3: Cross multiply
    54,076.61x = 81,115.10 × 16,636.43
  4. Step 4: Simplify right side
    54,076.61x = 1,349,465,927.47
  5. Step 5: Solve for x
    x = 1,349,465,927.47/54,076.61
  6. Step 6: Final answer
    x = 24,954.71

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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.