Home / 75,378.20-113,083.70-22,786.31

Finding the Fourth Proportional to 75,378.20, 113,083.70 and 22,786.31

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Solution

The fourth proportional to 75,378.20, 113,083.70 and 22,786.31 is: 34,184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,378.20 : 113,083.70 = 22,786.31 : x
  2. Step 2: Convert to fraction form
    75,378.20/113,083.70 = 22,786.31/x
  3. Step 3: Cross multiply
    75,378.20x = 113,083.70 × 22,786.31
  4. Step 4: Simplify right side
    75,378.20x = 2,576,760,412.92
  5. Step 5: Solve for x
    x = 2,576,760,412.92/75,378.20
  6. Step 6: Final answer
    x = 34,184.43

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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.