Home / 123,335.33-185,016.08-39,107.48

Finding the Fourth Proportional to 123,335.33, 185,016.08 and 39,107.48

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Solution

The fourth proportional to 123,335.33, 185,016.08 and 39,107.48 is: 58,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,335.33 : 185,016.08 = 39,107.48 : x
  2. Step 2: Convert to fraction form
    123,335.33/185,016.08 = 39,107.48/x
  3. Step 3: Cross multiply
    123,335.33x = 185,016.08 × 39,107.48
  4. Step 4: Simplify right side
    123,335.33x = 7,235,511,820.97
  5. Step 5: Solve for x
    x = 7,235,511,820.97/123,335.33
  6. Step 6: Final answer
    x = 58,665.36

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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.