Home / 88,977.92-122,789.39-48,691.67

Finding the Fourth Proportional to 88,977.92, 122,789.39 and 48,691.67

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Solution

The fourth proportional to 88,977.92, 122,789.39 and 48,691.67 is: 67,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,977.92 : 122,789.39 = 48,691.67 : x
  2. Step 2: Convert to fraction form
    88,977.92/122,789.39 = 48,691.67/x
  3. Step 3: Cross multiply
    88,977.92x = 122,789.39 × 48,691.67
  4. Step 4: Simplify right side
    88,977.92x = 5,978,819,599.98
  5. Step 5: Solve for x
    x = 5,978,819,599.98/88,977.92
  6. Step 6: Final answer
    x = 67,194.42

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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.