Home / 65,241.97-90,077.28-50,107.59

Finding the Fourth Proportional to 65,241.97, 90,077.28 and 50,107.59

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Solution

The fourth proportional to 65,241.97, 90,077.28 and 50,107.59 is: 69,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,241.97 : 90,077.28 = 50,107.59 : x
  2. Step 2: Convert to fraction form
    65,241.97/90,077.28 = 50,107.59/x
  3. Step 3: Cross multiply
    65,241.97x = 90,077.28 × 50,107.59
  4. Step 4: Simplify right side
    65,241.97x = 4,513,555,414.56
  5. Step 5: Solve for x
    x = 4,513,555,414.56/65,241.97
  6. Step 6: Final answer
    x = 69,181.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.