Home / 65,450.23-98,175.34-52,240.75

Finding the Fourth Proportional to 65,450.23, 98,175.34 and 52,240.75

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Solution

The fourth proportional to 65,450.23, 98,175.34 and 52,240.75 is: 78,361.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,450.23 : 98,175.34 = 52,240.75 : x
  2. Step 2: Convert to fraction form
    65,450.23/98,175.34 = 52,240.75/x
  3. Step 3: Cross multiply
    65,450.23x = 98,175.34 × 52,240.75
  4. Step 4: Simplify right side
    65,450.23x = 5,128,753,212.97
  5. Step 5: Solve for x
    x = 5,128,753,212.97/65,450.23
  6. Step 6: Final answer
    x = 78,361.12

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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.