Home / 89,274.62-123,198.64-48,989.06

Finding the Fourth Proportional to 89,274.62, 123,198.64 and 48,989.06

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Solution

The fourth proportional to 89,274.62, 123,198.64 and 48,989.06 is: 67,604.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,274.62 : 123,198.64 = 48,989.06 : x
  2. Step 2: Convert to fraction form
    89,274.62/123,198.64 = 48,989.06/x
  3. Step 3: Cross multiply
    89,274.62x = 123,198.64 × 48,989.06
  4. Step 4: Simplify right side
    89,274.62x = 6,035,385,566.88
  5. Step 5: Solve for x
    x = 6,035,385,566.88/89,274.62
  6. Step 6: Final answer
    x = 67,604.72

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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.