Home / 89,046.54-122,850.68-58,436.64

Finding the Fourth Proportional to 89,046.54, 122,850.68 and 58,436.64

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Solution

The fourth proportional to 89,046.54, 122,850.68 and 58,436.64 is: 80,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,046.54 : 122,850.68 = 58,436.64 : x
  2. Step 2: Convert to fraction form
    89,046.54/122,850.68 = 58,436.64/x
  3. Step 3: Cross multiply
    89,046.54x = 122,850.68 × 58,436.64
  4. Step 4: Simplify right side
    89,046.54x = 7,178,980,668.73
  5. Step 5: Solve for x
    x = 7,178,980,668.73/89,046.54
  6. Step 6: Final answer
    x = 80,620.55

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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.