Home / 125,504-173,196.74-68,916.59

Finding the Fourth Proportional to 125,504, 173,196.74 and 68,916.59

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Solution

The fourth proportional to 125,504, 173,196.74 and 68,916.59 is: 95,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,504 : 173,196.74 = 68,916.59 : x
  2. Step 2: Convert to fraction form
    125,504/173,196.74 = 68,916.59/x
  3. Step 3: Cross multiply
    125,504x = 173,196.74 × 68,916.59
  4. Step 4: Simplify right side
    125,504x = 11,936,128,375.33
  5. Step 5: Solve for x
    x = 11,936,128,375.33/125,504
  6. Step 6: Final answer
    x = 95,105.56

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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.