Home / 73,310.37-109,974.60-25,915.68

Finding the Fourth Proportional to 73,310.37, 109,974.60 and 25,915.68

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Solution

The fourth proportional to 73,310.37, 109,974.60 and 25,915.68 is: 38,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,310.37 : 109,974.60 = 25,915.68 : x
  2. Step 2: Convert to fraction form
    73,310.37/109,974.60 = 25,915.68/x
  3. Step 3: Cross multiply
    73,310.37x = 109,974.60 × 25,915.68
  4. Step 4: Simplify right side
    73,310.37x = 2,850,066,541.73
  5. Step 5: Solve for x
    x = 2,850,066,541.73/73,310.37
  6. Step 6: Final answer
    x = 38,876.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.