Home / 90,594.12-135,901.97-43,813.38

Finding the Fourth Proportional to 90,594.12, 135,901.97 and 43,813.38

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Solution

The fourth proportional to 90,594.12, 135,901.97 and 43,813.38 is: 65,725.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,594.12 : 135,901.97 = 43,813.38 : x
  2. Step 2: Convert to fraction form
    90,594.12/135,901.97 = 43,813.38/x
  3. Step 3: Cross multiply
    90,594.12x = 135,901.97 × 43,813.38
  4. Step 4: Simplify right side
    90,594.12x = 5,954,324,654.36
  5. Step 5: Solve for x
    x = 5,954,324,654.36/90,594.12
  6. Step 6: Final answer
    x = 65,725.29

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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.