Home / 49,676.67-74,515.17-12,237.60

Finding the Fourth Proportional to 49,676.67, 74,515.17 and 12,237.60

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Solution

The fourth proportional to 49,676.67, 74,515.17 and 12,237.60 is: 18,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,676.67 : 74,515.17 = 12,237.60 : x
  2. Step 2: Convert to fraction form
    49,676.67/74,515.17 = 12,237.60/x
  3. Step 3: Cross multiply
    49,676.67x = 74,515.17 × 12,237.60
  4. Step 4: Simplify right side
    49,676.67x = 911,886,844.39
  5. Step 5: Solve for x
    x = 911,886,844.39/49,676.67
  6. Step 6: Final answer
    x = 18,356.44

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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.