Home / 124,789.32-172,208.97-68,201.10

Finding the Fourth Proportional to 124,789.32, 172,208.97 and 68,201.10

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Solution

The fourth proportional to 124,789.32, 172,208.97 and 68,201.10 is: 94,117.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,789.32 : 172,208.97 = 68,201.10 : x
  2. Step 2: Convert to fraction form
    124,789.32/172,208.97 = 68,201.10/x
  3. Step 3: Cross multiply
    124,789.32x = 172,208.97 × 68,201.10
  4. Step 4: Simplify right side
    124,789.32x = 11,744,841,183.87
  5. Step 5: Solve for x
    x = 11,744,841,183.87/124,789.32
  6. Step 6: Final answer
    x = 94,117.36

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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.