Home / 49,418.54-74,132.37-16,138.78

Finding the Fourth Proportional to 49,418.54, 74,132.37 and 16,138.78

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Solution

The fourth proportional to 49,418.54, 74,132.37 and 16,138.78 is: 24,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,418.54 : 74,132.37 = 16,138.78 : x
  2. Step 2: Convert to fraction form
    49,418.54/74,132.37 = 16,138.78/x
  3. Step 3: Cross multiply
    49,418.54x = 74,132.37 × 16,138.78
  4. Step 4: Simplify right side
    49,418.54x = 1,196,405,784.63
  5. Step 5: Solve for x
    x = 1,196,405,784.63/49,418.54
  6. Step 6: Final answer
    x = 24,209.65

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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.