Home / 125,142.22-172,700.58-68,553.60

Finding the Fourth Proportional to 125,142.22, 172,700.58 and 68,553.60

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Solution

The fourth proportional to 125,142.22, 172,700.58 and 68,553.60 is: 94,606.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,142.22 : 172,700.58 = 68,553.60 : x
  2. Step 2: Convert to fraction form
    125,142.22/172,700.58 = 68,553.60/x
  3. Step 3: Cross multiply
    125,142.22x = 172,700.58 × 68,553.60
  4. Step 4: Simplify right side
    125,142.22x = 11,839,246,481.09
  5. Step 5: Solve for x
    x = 11,839,246,481.09/125,142.22
  6. Step 6: Final answer
    x = 94,606.33

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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.