Home / 124,912.94-172,382.59-68,324.31

Finding the Fourth Proportional to 124,912.94, 172,382.59 and 68,324.31

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Solution

The fourth proportional to 124,912.94, 172,382.59 and 68,324.31 is: 94,289.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,912.94 : 172,382.59 = 68,324.31 : x
  2. Step 2: Convert to fraction form
    124,912.94/172,382.59 = 68,324.31/x
  3. Step 3: Cross multiply
    124,912.94x = 172,382.59 × 68,324.31
  4. Step 4: Simplify right side
    124,912.94x = 11,777,921,517.76
  5. Step 5: Solve for x
    x = 11,777,921,517.76/124,912.94
  6. Step 6: Final answer
    x = 94,289.04

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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.