Home / 71,134.73-98,167.90-39,305.69

Finding the Fourth Proportional to 71,134.73, 98,167.90 and 39,305.69

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Solution

The fourth proportional to 71,134.73, 98,167.90 and 39,305.69 is: 54,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,134.73 : 98,167.90 = 39,305.69 : x
  2. Step 2: Convert to fraction form
    71,134.73/98,167.90 = 39,305.69/x
  3. Step 3: Cross multiply
    71,134.73x = 98,167.90 × 39,305.69
  4. Step 4: Simplify right side
    71,134.73x = 3,858,556,554.51
  5. Step 5: Solve for x
    x = 3,858,556,554.51/71,134.73
  6. Step 6: Final answer
    x = 54,242.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.