Home / 75,018.30-112,540.05-22,433.10

Finding the Fourth Proportional to 75,018.30, 112,540.05 and 22,433.10

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Solution

The fourth proportional to 75,018.30, 112,540.05 and 22,433.10 is: 33,653.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,018.30 : 112,540.05 = 22,433.10 : x
  2. Step 2: Convert to fraction form
    75,018.30/112,540.05 = 22,433.10/x
  3. Step 3: Cross multiply
    75,018.30x = 112,540.05 × 22,433.10
  4. Step 4: Simplify right side
    75,018.30x = 2,524,622,195.66
  5. Step 5: Solve for x
    x = 2,524,622,195.66/75,018.30
  6. Step 6: Final answer
    x = 33,653.42

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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.