Home / 124,782.97-172,201.77-68,194.35

Finding the Fourth Proportional to 124,782.97, 172,201.77 and 68,194.35

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Solution

The fourth proportional to 124,782.97, 172,201.77 and 68,194.35 is: 94,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,782.97 : 172,201.77 = 68,194.35 : x
  2. Step 2: Convert to fraction form
    124,782.97/172,201.77 = 68,194.35/x
  3. Step 3: Cross multiply
    124,782.97x = 172,201.77 × 68,194.35
  4. Step 4: Simplify right side
    124,782.97x = 11,743,187,774.00
  5. Step 5: Solve for x
    x = 11,743,187,774.00/124,782.97
  6. Step 6: Final answer
    x = 94,108.90

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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.