Home / 90,591.05-135,802.73-34,414.31

Finding the Fourth Proportional to 90,591.05, 135,802.73 and 34,414.31

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Solution

The fourth proportional to 90,591.05, 135,802.73 and 34,414.31 is: 51,589.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,591.05 : 135,802.73 = 34,414.31 : x
  2. Step 2: Convert to fraction form
    90,591.05/135,802.73 = 34,414.31/x
  3. Step 3: Cross multiply
    90,591.05x = 135,802.73 × 34,414.31
  4. Step 4: Simplify right side
    90,591.05x = 4,673,556,656.09
  5. Step 5: Solve for x
    x = 4,673,556,656.09/90,591.05
  6. Step 6: Final answer
    x = 51,589.61

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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.