Home / 89,297.97-123,235.25-53,487.21

Finding the Fourth Proportional to 89,297.97, 123,235.25 and 53,487.21

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Solution

The fourth proportional to 89,297.97, 123,235.25 and 53,487.21 is: 73,814.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,297.97 : 123,235.25 = 53,487.21 : x
  2. Step 2: Convert to fraction form
    89,297.97/123,235.25 = 53,487.21/x
  3. Step 3: Cross multiply
    89,297.97x = 123,235.25 × 53,487.21
  4. Step 4: Simplify right side
    89,297.97x = 6,591,509,694.68
  5. Step 5: Solve for x
    x = 6,591,509,694.68/89,297.97
  6. Step 6: Final answer
    x = 73,814.78

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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.