Home / 90,760.34-125,251.44-50,475.80

Finding the Fourth Proportional to 90,760.34, 125,251.44 and 50,475.80

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Solution

The fourth proportional to 90,760.34, 125,251.44 and 50,475.80 is: 69,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,760.34 : 125,251.44 = 50,475.80 : x
  2. Step 2: Convert to fraction form
    90,760.34/125,251.44 = 50,475.80/x
  3. Step 3: Cross multiply
    90,760.34x = 125,251.44 × 50,475.80
  4. Step 4: Simplify right side
    90,760.34x = 6,322,166,635.15
  5. Step 5: Solve for x
    x = 6,322,166,635.15/90,760.34
  6. Step 6: Final answer
    x = 69,657.81

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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.