Home / 124,976.25-172,467.24-68,387.64

Finding the Fourth Proportional to 124,976.25, 172,467.24 and 68,387.64

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Solution

The fourth proportional to 124,976.25, 172,467.24 and 68,387.64 is: 94,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,976.25 : 172,467.24 = 68,387.64 : x
  2. Step 2: Convert to fraction form
    124,976.25/172,467.24 = 68,387.64/x
  3. Step 3: Cross multiply
    124,976.25x = 172,467.24 × 68,387.64
  4. Step 4: Simplify right side
    124,976.25x = 11,794,627,520.91
  5. Step 5: Solve for x
    x = 11,794,627,520.91/124,976.25
  6. Step 6: Final answer
    x = 94,374.95

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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.