Home / 124,823.28-172,256.70-68,234.64

Finding the Fourth Proportional to 124,823.28, 172,256.70 and 68,234.64

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Solution

The fourth proportional to 124,823.28, 172,256.70 and 68,234.64 is: 94,164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,823.28 : 172,256.70 = 68,234.64 : x
  2. Step 2: Convert to fraction form
    124,823.28/172,256.70 = 68,234.64/x
  3. Step 3: Cross multiply
    124,823.28x = 172,256.70 × 68,234.64
  4. Step 4: Simplify right side
    124,823.28x = 11,753,873,912.09
  5. Step 5: Solve for x
    x = 11,753,873,912.09/124,823.28
  6. Step 6: Final answer
    x = 94,164.12

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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.