Home / 90,308.75-135,550.61-43,594.43

Finding the Fourth Proportional to 90,308.75, 135,550.61 and 43,594.43

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Solution

The fourth proportional to 90,308.75, 135,550.61 and 43,594.43 is: 65,433.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,308.75 : 135,550.61 = 43,594.43 : x
  2. Step 2: Convert to fraction form
    90,308.75/135,550.61 = 43,594.43/x
  3. Step 3: Cross multiply
    90,308.75x = 135,550.61 × 43,594.43
  4. Step 4: Simplify right side
    90,308.75x = 5,909,251,863.49
  5. Step 5: Solve for x
    x = 5,909,251,863.49/90,308.75
  6. Step 6: Final answer
    x = 65,433.88

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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.