Home / 90,919.68-125,454.24-50,632.44

Finding the Fourth Proportional to 90,919.68, 125,454.24 and 50,632.44

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Solution

The fourth proportional to 90,919.68, 125,454.24 and 50,632.44 is: 69,864.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,919.68 : 125,454.24 = 50,632.44 : x
  2. Step 2: Convert to fraction form
    90,919.68/125,454.24 = 50,632.44/x
  3. Step 3: Cross multiply
    90,919.68x = 125,454.24 × 50,632.44
  4. Step 4: Simplify right side
    90,919.68x = 6,352,054,279.55
  5. Step 5: Solve for x
    x = 6,352,054,279.55/90,919.68
  6. Step 6: Final answer
    x = 69,864.46

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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.