Home / 54,469.59-74,997.15-49,487.19

Finding the Fourth Proportional to 54,469.59, 74,997.15 and 49,487.19

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Solution

The fourth proportional to 54,469.59, 74,997.15 and 49,487.19 is: 68,137.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,469.59 : 74,997.15 = 49,487.19 : x
  2. Step 2: Convert to fraction form
    54,469.59/74,997.15 = 49,487.19/x
  3. Step 3: Cross multiply
    54,469.59x = 74,997.15 × 49,487.19
  4. Step 4: Simplify right side
    54,469.59x = 3,711,398,211.51
  5. Step 5: Solve for x
    x = 3,711,398,211.51/54,469.59
  6. Step 6: Final answer
    x = 68,137.07

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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.