Home / 88,512.06-122,143.83-50,268.64

Finding the Fourth Proportional to 88,512.06, 122,143.83 and 50,268.64

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Solution

The fourth proportional to 88,512.06, 122,143.83 and 50,268.64 is: 69,369.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,512.06 : 122,143.83 = 50,268.64 : x
  2. Step 2: Convert to fraction form
    88,512.06/122,143.83 = 50,268.64/x
  3. Step 3: Cross multiply
    88,512.06x = 122,143.83 × 50,268.64
  4. Step 4: Simplify right side
    88,512.06x = 6,140,004,218.49
  5. Step 5: Solve for x
    x = 6,140,004,218.49/88,512.06
  6. Step 6: Final answer
    x = 69,369.13

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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.