Home / 89,274.75-123,198.81-48,989.18

Finding the Fourth Proportional to 89,274.75, 123,198.81 and 48,989.18

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Solution

The fourth proportional to 89,274.75, 123,198.81 and 48,989.18 is: 67,604.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,274.75 : 123,198.81 = 48,989.18 : x
  2. Step 2: Convert to fraction form
    89,274.75/123,198.81 = 48,989.18/x
  3. Step 3: Cross multiply
    89,274.75x = 123,198.81 × 48,989.18
  4. Step 4: Simplify right side
    89,274.75x = 6,035,408,986.87
  5. Step 5: Solve for x
    x = 6,035,408,986.87/89,274.75
  6. Step 6: Final answer
    x = 67,604.88

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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.