Home / 84,736.49-126,949.82-39,675.17

Finding the Fourth Proportional to 84,736.49, 126,949.82 and 39,675.17

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Solution

The fourth proportional to 84,736.49, 126,949.82 and 39,675.17 is: 59,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,736.49 : 126,949.82 = 39,675.17 : x
  2. Step 2: Convert to fraction form
    84,736.49/126,949.82 = 39,675.17/x
  3. Step 3: Cross multiply
    84,736.49x = 126,949.82 × 39,675.17
  4. Step 4: Simplify right side
    84,736.49x = 5,036,755,808.97
  5. Step 5: Solve for x
    x = 5,036,755,808.97/84,736.49
  6. Step 6: Final answer
    x = 59,440.23

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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.