Home / 89,332.49-123,278.22-49,046.94

Finding the Fourth Proportional to 89,332.49, 123,278.22 and 49,046.94

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Solution

The fourth proportional to 89,332.49, 123,278.22 and 49,046.94 is: 67,684.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,332.49 : 123,278.22 = 49,046.94 : x
  2. Step 2: Convert to fraction form
    89,332.49/123,278.22 = 49,046.94/x
  3. Step 3: Cross multiply
    89,332.49x = 123,278.22 × 49,046.94
  4. Step 4: Simplify right side
    89,332.49x = 6,046,419,459.65
  5. Step 5: Solve for x
    x = 6,046,419,459.65/89,332.49
  6. Step 6: Final answer
    x = 67,684.44

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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.