Home / 89,588.88-123,640.16-49,310.24

Finding the Fourth Proportional to 89,588.88, 123,640.16 and 49,310.24

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Solution

The fourth proportional to 89,588.88, 123,640.16 and 49,310.24 is: 68,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,588.88 : 123,640.16 = 49,310.24 : x
  2. Step 2: Convert to fraction form
    89,588.88/123,640.16 = 49,310.24/x
  3. Step 3: Cross multiply
    89,588.88x = 123,640.16 × 49,310.24
  4. Step 4: Simplify right side
    89,588.88x = 6,096,725,963.24
  5. Step 5: Solve for x
    x = 6,096,725,963.24/89,588.88
  6. Step 6: Final answer
    x = 68,052.26

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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.