Home / 90,953.97-125,520.26-50,667.72

Finding the Fourth Proportional to 90,953.97, 125,520.26 and 50,667.72

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Solution

The fourth proportional to 90,953.97, 125,520.26 and 50,667.72 is: 69,923.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,953.97 : 125,520.26 = 50,667.72 : x
  2. Step 2: Convert to fraction form
    90,953.97/125,520.26 = 50,667.72/x
  3. Step 3: Cross multiply
    90,953.97x = 125,520.26 × 50,667.72
  4. Step 4: Simplify right side
    90,953.97x = 6,359,825,388.01
  5. Step 5: Solve for x
    x = 6,359,825,388.01/90,953.97
  6. Step 6: Final answer
    x = 69,923.56

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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.