Home / 89,490.62-123,497.52-49,206.97

Finding the Fourth Proportional to 89,490.62, 123,497.52 and 49,206.97

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Solution

The fourth proportional to 89,490.62, 123,497.52 and 49,206.97 is: 67,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,490.62 : 123,497.52 = 49,206.97 : x
  2. Step 2: Convert to fraction form
    89,490.62/123,497.52 = 49,206.97/x
  3. Step 3: Cross multiply
    89,490.62x = 123,497.52 × 49,206.97
  4. Step 4: Simplify right side
    89,490.62x = 6,076,939,078.90
  5. Step 5: Solve for x
    x = 6,076,939,078.90/89,490.62
  6. Step 6: Final answer
    x = 67,905.88

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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.