Home / 45,559.20-68,281.20-22,135.20

Finding the Fourth Proportional to 45,559.20, 68,281.20 and 22,135.20

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Solution

The fourth proportional to 45,559.20, 68,281.20 and 22,135.20 is: 33,174.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,559.20 : 68,281.20 = 22,135.20 : x
  2. Step 2: Convert to fraction form
    45,559.20/68,281.20 = 22,135.20/x
  3. Step 3: Cross multiply
    45,559.20x = 68,281.20 × 22,135.20
  4. Step 4: Simplify right side
    45,559.20x = 1,511,418,018.24
  5. Step 5: Solve for x
    x = 1,511,418,018.24/45,559.20
  6. Step 6: Final answer
    x = 33,174.81

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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.