Home / 117,545.10-162,209.97-66,553.98

Finding the Fourth Proportional to 117,545.10, 162,209.97 and 66,553.98

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Solution

The fourth proportional to 117,545.10, 162,209.97 and 66,553.98 is: 91,843.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,545.10 : 162,209.97 = 66,553.98 : x
  2. Step 2: Convert to fraction form
    117,545.10/162,209.97 = 66,553.98/x
  3. Step 3: Cross multiply
    117,545.10x = 162,209.97 × 66,553.98
  4. Step 4: Simplify right side
    117,545.10x = 10,795,719,099.18
  5. Step 5: Solve for x
    x = 10,795,719,099.18/117,545.10
  6. Step 6: Final answer
    x = 91,843.21

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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.