Home / 88,509.44-122,138.20-50,268.04

Finding the Fourth Proportional to 88,509.44, 122,138.20 and 50,268.04

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Solution

The fourth proportional to 88,509.44, 122,138.20 and 50,268.04 is: 69,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,509.44 : 122,138.20 = 50,268.04 : x
  2. Step 2: Convert to fraction form
    88,509.44/122,138.20 = 50,268.04/x
  3. Step 3: Cross multiply
    88,509.44x = 122,138.20 × 50,268.04
  4. Step 4: Simplify right side
    88,509.44x = 6,139,647,923.13
  5. Step 5: Solve for x
    x = 6,139,647,923.13/88,509.44
  6. Step 6: Final answer
    x = 69,367.15

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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.