Home / 83,285.82-124,936.26-27,111.36

Finding the Fourth Proportional to 83,285.82, 124,936.26 and 27,111.36

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Solution

The fourth proportional to 83,285.82, 124,936.26 and 27,111.36 is: 40,669.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,285.82 : 124,936.26 = 27,111.36 : x
  2. Step 2: Convert to fraction form
    83,285.82/124,936.26 = 27,111.36/x
  3. Step 3: Cross multiply
    83,285.82x = 124,936.26 × 27,111.36
  4. Step 4: Simplify right side
    83,285.82x = 3,387,191,921.91
  5. Step 5: Solve for x
    x = 3,387,191,921.91/83,285.82
  6. Step 6: Final answer
    x = 40,669.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.