Home / 90,614.44-125,044.46-50,330.78

Finding the Fourth Proportional to 90,614.44, 125,044.46 and 50,330.78

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Solution

The fourth proportional to 90,614.44, 125,044.46 and 50,330.78 is: 69,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,614.44 : 125,044.46 = 50,330.78 : x
  2. Step 2: Convert to fraction form
    90,614.44/125,044.46 = 50,330.78/x
  3. Step 3: Cross multiply
    90,614.44x = 125,044.46 × 50,330.78
  4. Step 4: Simplify right side
    90,614.44x = 6,293,585,551.28
  5. Step 5: Solve for x
    x = 6,293,585,551.28/90,614.44
  6. Step 6: Final answer
    x = 69,454.56

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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.