Home / 90,908.82-125,453.82-50,623.05

Finding the Fourth Proportional to 90,908.82, 125,453.82 and 50,623.05

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Solution

The fourth proportional to 90,908.82, 125,453.82 and 50,623.05 is: 69,859.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,908.82 : 125,453.82 = 50,623.05 : x
  2. Step 2: Convert to fraction form
    90,908.82/125,453.82 = 50,623.05/x
  3. Step 3: Cross multiply
    90,908.82x = 125,453.82 × 50,623.05
  4. Step 4: Simplify right side
    90,908.82x = 6,350,855,002.55
  5. Step 5: Solve for x
    x = 6,350,855,002.55/90,908.82
  6. Step 6: Final answer
    x = 69,859.61

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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.