Home / 124,782.89-172,200.01-68,194.27

Finding the Fourth Proportional to 124,782.89, 172,200.01 and 68,194.27

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Solution

The fourth proportional to 124,782.89, 172,200.01 and 68,194.27 is: 94,107.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,782.89 : 172,200.01 = 68,194.27 : x
  2. Step 2: Convert to fraction form
    124,782.89/172,200.01 = 68,194.27/x
  3. Step 3: Cross multiply
    124,782.89x = 172,200.01 × 68,194.27
  4. Step 4: Simplify right side
    124,782.89x = 11,743,052,773.97
  5. Step 5: Solve for x
    x = 11,743,052,773.97/124,782.89
  6. Step 6: Final answer
    x = 94,107.88

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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.