Home / 125,251.24-172,845.39-68,662.30

Finding the Fourth Proportional to 125,251.24, 172,845.39 and 68,662.30

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Solution

The fourth proportional to 125,251.24, 172,845.39 and 68,662.30 is: 94,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,251.24 : 172,845.39 = 68,662.30 : x
  2. Step 2: Convert to fraction form
    125,251.24/172,845.39 = 68,662.30/x
  3. Step 3: Cross multiply
    125,251.24x = 172,845.39 × 68,662.30
  4. Step 4: Simplify right side
    125,251.24x = 11,867,962,021.80
  5. Step 5: Solve for x
    x = 11,867,962,021.80/125,251.24
  6. Step 6: Final answer
    x = 94,753.25

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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.