Home / 90,634.44-125,073.78-50,348.04

Finding the Fourth Proportional to 90,634.44, 125,073.78 and 50,348.04

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Solution

The fourth proportional to 90,634.44, 125,073.78 and 50,348.04 is: 69,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,634.44 : 125,073.78 = 50,348.04 : x
  2. Step 2: Convert to fraction form
    90,634.44/125,073.78 = 50,348.04/x
  3. Step 3: Cross multiply
    90,634.44x = 125,073.78 × 50,348.04
  4. Step 4: Simplify right side
    90,634.44x = 6,297,219,678.39
  5. Step 5: Solve for x
    x = 6,297,219,678.39/90,634.44
  6. Step 6: Final answer
    x = 69,479.32

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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.