Home / 88,722.68-122,435.69-50,481.39

Finding the Fourth Proportional to 88,722.68, 122,435.69 and 50,481.39

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Solution

The fourth proportional to 88,722.68, 122,435.69 and 50,481.39 is: 69,663.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,722.68 : 122,435.69 = 50,481.39 : x
  2. Step 2: Convert to fraction form
    88,722.68/122,435.69 = 50,481.39/x
  3. Step 3: Cross multiply
    88,722.68x = 122,435.69 × 50,481.39
  4. Step 4: Simplify right side
    88,722.68x = 6,180,724,023.54
  5. Step 5: Solve for x
    x = 6,180,724,023.54/88,722.68
  6. Step 6: Final answer
    x = 69,663.41

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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.