Home / 75,403.22-113,104.73-19,243.33

Finding the Fourth Proportional to 75,403.22, 113,104.73 and 19,243.33

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Solution

The fourth proportional to 75,403.22, 113,104.73 and 19,243.33 is: 28,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,403.22 : 113,104.73 = 19,243.33 : x
  2. Step 2: Convert to fraction form
    75,403.22/113,104.73 = 19,243.33/x
  3. Step 3: Cross multiply
    75,403.22x = 113,104.73 × 19,243.33
  4. Step 4: Simplify right side
    75,403.22x = 2,176,511,763.49
  5. Step 5: Solve for x
    x = 2,176,511,763.49/75,403.22
  6. Step 6: Final answer
    x = 28,864.97

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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.