Home / 124,836.60-172,275-68,248.92

Finding the Fourth Proportional to 124,836.60, 172,275 and 68,248.92

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Solution

The fourth proportional to 124,836.60, 172,275 and 68,248.92 is: 94,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,836.60 : 172,275 = 68,248.92 : x
  2. Step 2: Convert to fraction form
    124,836.60/172,275 = 68,248.92/x
  3. Step 3: Cross multiply
    124,836.60x = 172,275 × 68,248.92
  4. Step 4: Simplify right side
    124,836.60x = 11,757,582,693
  5. Step 5: Solve for x
    x = 11,757,582,693/124,836.60
  6. Step 6: Final answer
    x = 94,183.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.