Home / 65,738.14-98,631.82-34,128.48

Finding the Fourth Proportional to 65,738.14, 98,631.82 and 34,128.48

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Solution

The fourth proportional to 65,738.14, 98,631.82 and 34,128.48 is: 51,205.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,738.14 : 98,631.82 = 34,128.48 : x
  2. Step 2: Convert to fraction form
    65,738.14/98,631.82 = 34,128.48/x
  3. Step 3: Cross multiply
    65,738.14x = 98,631.82 × 34,128.48
  4. Step 4: Simplify right side
    65,738.14x = 3,366,153,791.26
  5. Step 5: Solve for x
    x = 3,366,153,791.26/65,738.14
  6. Step 6: Final answer
    x = 51,205.49

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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.