Home / 90,997.52-125,571.06-50,159.86

Finding the Fourth Proportional to 90,997.52, 125,571.06 and 50,159.86

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Solution

The fourth proportional to 90,997.52, 125,571.06 and 50,159.86 is: 69,217.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,997.52 : 125,571.06 = 50,159.86 : x
  2. Step 2: Convert to fraction form
    90,997.52/125,571.06 = 50,159.86/x
  3. Step 3: Cross multiply
    90,997.52x = 125,571.06 × 50,159.86
  4. Step 4: Simplify right side
    90,997.52x = 6,298,626,475.72
  5. Step 5: Solve for x
    x = 6,298,626,475.72/90,997.52
  6. Step 6: Final answer
    x = 69,217.56

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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.