Home / 50,676.76-75,989.10-17,387.86

Finding the Fourth Proportional to 50,676.76, 75,989.10 and 17,387.86

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Solution

The fourth proportional to 50,676.76, 75,989.10 and 17,387.86 is: 26,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,676.76 : 75,989.10 = 17,387.86 : x
  2. Step 2: Convert to fraction form
    50,676.76/75,989.10 = 17,387.86/x
  3. Step 3: Cross multiply
    50,676.76x = 75,989.10 × 17,387.86
  4. Step 4: Simplify right side
    50,676.76x = 1,321,287,832.33
  5. Step 5: Solve for x
    x = 1,321,287,832.33/50,676.76
  6. Step 6: Final answer
    x = 26,072.86

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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.