Home / 75,209.20-103,786.92-41,216.56

Finding the Fourth Proportional to 75,209.20, 103,786.92 and 41,216.56

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Solution

The fourth proportional to 75,209.20, 103,786.92 and 41,216.56 is: 56,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,209.20 : 103,786.92 = 41,216.56 : x
  2. Step 2: Convert to fraction form
    75,209.20/103,786.92 = 41,216.56/x
  3. Step 3: Cross multiply
    75,209.20x = 103,786.92 × 41,216.56
  4. Step 4: Simplify right side
    75,209.20x = 4,277,739,815.40
  5. Step 5: Solve for x
    x = 4,277,739,815.40/75,209.20
  6. Step 6: Final answer
    x = 56,877.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.