Home / 65,102.33-97,668.53-20,121.97

Finding the Fourth Proportional to 65,102.33, 97,668.53 and 20,121.97

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Solution

The fourth proportional to 65,102.33, 97,668.53 and 20,121.97 is: 30,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,102.33 : 97,668.53 = 20,121.97 : x
  2. Step 2: Convert to fraction form
    65,102.33/97,668.53 = 20,121.97/x
  3. Step 3: Cross multiply
    65,102.33x = 97,668.53 × 20,121.97
  4. Step 4: Simplify right side
    65,102.33x = 1,965,283,257.59
  5. Step 5: Solve for x
    x = 1,965,283,257.59/65,102.33
  6. Step 6: Final answer
    x = 30,187.60

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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.