Home / 89,486.38-123,494.09-49,203.05

Finding the Fourth Proportional to 89,486.38, 123,494.09 and 49,203.05

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Solution

The fourth proportional to 89,486.38, 123,494.09 and 49,203.05 is: 67,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,486.38 : 123,494.09 = 49,203.05 : x
  2. Step 2: Convert to fraction form
    89,486.38/123,494.09 = 49,203.05/x
  3. Step 3: Cross multiply
    89,486.38x = 123,494.09 × 49,203.05
  4. Step 4: Simplify right side
    89,486.38x = 6,076,285,884.97
  5. Step 5: Solve for x
    x = 6,076,285,884.97/89,486.38
  6. Step 6: Final answer
    x = 67,901.80

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1.5x scale

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.