Home / 90,264.44-135,474.42-43,556.60

Finding the Fourth Proportional to 90,264.44, 135,474.42 and 43,556.60

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Solution

The fourth proportional to 90,264.44, 135,474.42 and 43,556.60 is: 65,372.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,264.44 : 135,474.42 = 43,556.60 : x
  2. Step 2: Convert to fraction form
    90,264.44/135,474.42 = 43,556.60/x
  3. Step 3: Cross multiply
    90,264.44x = 135,474.42 × 43,556.60
  4. Step 4: Simplify right side
    90,264.44x = 5,900,805,122.17
  5. Step 5: Solve for x
    x = 5,900,805,122.17/90,264.44
  6. Step 6: Final answer
    x = 65,372.42

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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.