Home / 89,087.60-122,940.78-48,251.71

Finding the Fourth Proportional to 89,087.60, 122,940.78 and 48,251.71

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Solution

The fourth proportional to 89,087.60, 122,940.78 and 48,251.71 is: 66,587.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,087.60 : 122,940.78 = 48,251.71 : x
  2. Step 2: Convert to fraction form
    89,087.60/122,940.78 = 48,251.71/x
  3. Step 3: Cross multiply
    89,087.60x = 122,940.78 × 48,251.71
  4. Step 4: Simplify right side
    89,087.60x = 5,932,102,128.40
  5. Step 5: Solve for x
    x = 5,932,102,128.40/89,087.60
  6. Step 6: Final answer
    x = 66,587.29

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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.