Home / 124,963.32-172,461.24-68,383.20

Finding the Fourth Proportional to 124,963.32, 172,461.24 and 68,383.20

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Solution

The fourth proportional to 124,963.32, 172,461.24 and 68,383.20 is: 94,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,963.32 : 172,461.24 = 68,383.20 : x
  2. Step 2: Convert to fraction form
    124,963.32/172,461.24 = 68,383.20/x
  3. Step 3: Cross multiply
    124,963.32x = 172,461.24 × 68,383.20
  4. Step 4: Simplify right side
    124,963.32x = 11,793,451,467.17
  5. Step 5: Solve for x
    x = 11,793,451,467.17/124,963.32
  6. Step 6: Final answer
    x = 94,375.31

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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.