Home / 85,202.82-127,765.10-29,020.07

Finding the Fourth Proportional to 85,202.82, 127,765.10 and 29,020.07

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Solution

The fourth proportional to 85,202.82, 127,765.10 and 29,020.07 is: 43,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,202.82 : 127,765.10 = 29,020.07 : x
  2. Step 2: Convert to fraction form
    85,202.82/127,765.10 = 29,020.07/x
  3. Step 3: Cross multiply
    85,202.82x = 127,765.10 × 29,020.07
  4. Step 4: Simplify right side
    85,202.82x = 3,707,752,537.52
  5. Step 5: Solve for x
    x = 3,707,752,537.52/85,202.82
  6. Step 6: Final answer
    x = 43,516.78

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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.