Home / 88,849.37-122,619.83-50,620.61

Finding the Fourth Proportional to 88,849.37, 122,619.83 and 50,620.61

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Solution

The fourth proportional to 88,849.37, 122,619.83 and 50,620.61 is: 69,860.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,849.37 : 122,619.83 = 50,620.61 : x
  2. Step 2: Convert to fraction form
    88,849.37/122,619.83 = 50,620.61/x
  3. Step 3: Cross multiply
    88,849.37x = 122,619.83 × 50,620.61
  4. Step 4: Simplify right side
    88,849.37x = 6,207,090,646.14
  5. Step 5: Solve for x
    x = 6,207,090,646.14/88,849.37
  6. Step 6: Final answer
    x = 69,860.83

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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.