Home / 124,972.26-172,461.72-68,383.64

Finding the Fourth Proportional to 124,972.26, 172,461.72 and 68,383.64

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Solution

The fourth proportional to 124,972.26, 172,461.72 and 68,383.64 is: 94,369.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,972.26 : 172,461.72 = 68,383.64 : x
  2. Step 2: Convert to fraction form
    124,972.26/172,461.72 = 68,383.64/x
  3. Step 3: Cross multiply
    124,972.26x = 172,461.72 × 68,383.64
  4. Step 4: Simplify right side
    124,972.26x = 11,793,560,174.26
  5. Step 5: Solve for x
    x = 11,793,560,174.26/124,972.26
  6. Step 6: Final answer
    x = 94,369.42

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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.