Home / 89,274.25-123,198.12-48,988.68

Finding the Fourth Proportional to 89,274.25, 123,198.12 and 48,988.68

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Solution

The fourth proportional to 89,274.25, 123,198.12 and 48,988.68 is: 67,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,274.25 : 123,198.12 = 48,988.68 : x
  2. Step 2: Convert to fraction form
    89,274.25/123,198.12 = 48,988.68/x
  3. Step 3: Cross multiply
    89,274.25x = 123,198.12 × 48,988.68
  4. Step 4: Simplify right side
    89,274.25x = 6,035,313,585.28
  5. Step 5: Solve for x
    x = 6,035,313,585.28/89,274.25
  6. Step 6: Final answer
    x = 67,604.20

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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.