Home / 71,135.82-98,166.74-39,304.04

Finding the Fourth Proportional to 71,135.82, 98,166.74 and 39,304.04

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Solution

The fourth proportional to 71,135.82, 98,166.74 and 39,304.04 is: 54,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,135.82 : 98,166.74 = 39,304.04 : x
  2. Step 2: Convert to fraction form
    71,135.82/98,166.74 = 39,304.04/x
  3. Step 3: Cross multiply
    71,135.82x = 98,166.74 × 39,304.04
  4. Step 4: Simplify right side
    71,135.82x = 3,858,348,788.28
  5. Step 5: Solve for x
    x = 3,858,348,788.28/71,135.82
  6. Step 6: Final answer
    x = 54,239.18

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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.