Home / 90,908.66-125,454.09-50,630.18

Finding the Fourth Proportional to 90,908.66, 125,454.09 and 50,630.18

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Solution

The fourth proportional to 90,908.66, 125,454.09 and 50,630.18 is: 69,869.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,908.66 : 125,454.09 = 50,630.18 : x
  2. Step 2: Convert to fraction form
    90,908.66/125,454.09 = 50,630.18/x
  3. Step 3: Cross multiply
    90,908.66x = 125,454.09 × 50,630.18
  4. Step 4: Simplify right side
    90,908.66x = 6,351,763,158.44
  5. Step 5: Solve for x
    x = 6,351,763,158.44/90,908.66
  6. Step 6: Final answer
    x = 69,869.73

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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.