Home / 89,604.66-123,651.75-49,318.38

Finding the Fourth Proportional to 89,604.66, 123,651.75 and 49,318.38

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Solution

The fourth proportional to 89,604.66, 123,651.75 and 49,318.38 is: 68,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,604.66 : 123,651.75 = 49,318.38 : x
  2. Step 2: Convert to fraction form
    89,604.66/123,651.75 = 49,318.38/x
  3. Step 3: Cross multiply
    89,604.66x = 123,651.75 × 49,318.38
  4. Step 4: Simplify right side
    89,604.66x = 6,098,303,994.17
  5. Step 5: Solve for x
    x = 6,098,303,994.17/89,604.66
  6. Step 6: Final answer
    x = 68,057.89

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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.