Home / 66,016-91,102.22-37,721.62

Finding the Fourth Proportional to 66,016, 91,102.22 and 37,721.62

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Solution

The fourth proportional to 66,016, 91,102.22 and 37,721.62 is: 52,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,016 : 91,102.22 = 37,721.62 : x
  2. Step 2: Convert to fraction form
    66,016/91,102.22 = 37,721.62/x
  3. Step 3: Cross multiply
    66,016x = 91,102.22 × 37,721.62
  4. Step 4: Simplify right side
    66,016x = 3,436,523,324.00
  5. Step 5: Solve for x
    x = 3,436,523,324.00/66,016
  6. Step 6: Final answer
    x = 52,055.92

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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.