Home / 99,968.41-149,915.76-33,390.73

Finding the Fourth Proportional to 99,968.41, 149,915.76 and 33,390.73

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Solution

The fourth proportional to 99,968.41, 149,915.76 and 33,390.73 is: 50,073.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,968.41 : 149,915.76 = 33,390.73 : x
  2. Step 2: Convert to fraction form
    99,968.41/149,915.76 = 33,390.73/x
  3. Step 3: Cross multiply
    99,968.41x = 149,915.76 × 33,390.73
  4. Step 4: Simplify right side
    99,968.41x = 5,005,796,664.90
  5. Step 5: Solve for x
    x = 5,005,796,664.90/99,968.41
  6. Step 6: Final answer
    x = 50,073.78

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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.