Home / 89,736.79-123,837.60-49,451.99

Finding the Fourth Proportional to 89,736.79, 123,837.60 and 49,451.99

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Solution

The fourth proportional to 89,736.79, 123,837.60 and 49,451.99 is: 68,244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,736.79 : 123,837.60 = 49,451.99 : x
  2. Step 2: Convert to fraction form
    89,736.79/123,837.60 = 49,451.99/x
  3. Step 3: Cross multiply
    89,736.79x = 123,837.60 × 49,451.99
  4. Step 4: Simplify right side
    89,736.79x = 6,124,016,403.02
  5. Step 5: Solve for x
    x = 6,124,016,403.02/89,736.79
  6. Step 6: Final answer
    x = 68,244.21

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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.