Home / 90,410.40-124,760.97-50,121.54

Finding the Fourth Proportional to 90,410.40, 124,760.97 and 50,121.54

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Solution

The fourth proportional to 90,410.40, 124,760.97 and 50,121.54 is: 69,164.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,410.40 : 124,760.97 = 50,121.54 : x
  2. Step 2: Convert to fraction form
    90,410.40/124,760.97 = 50,121.54/x
  3. Step 3: Cross multiply
    90,410.40x = 124,760.97 × 50,121.54
  4. Step 4: Simplify right side
    90,410.40x = 6,253,211,948.29
  5. Step 5: Solve for x
    x = 6,253,211,948.29/90,410.40
  6. Step 6: Final answer
    x = 69,164.74

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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.