Home / 54,380.74-81,561.39-34,600.54

Finding the Fourth Proportional to 54,380.74, 81,561.39 and 34,600.54

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Solution

The fourth proportional to 54,380.74, 81,561.39 and 34,600.54 is: 51,894.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,380.74 : 81,561.39 = 34,600.54 : x
  2. Step 2: Convert to fraction form
    54,380.74/81,561.39 = 34,600.54/x
  3. Step 3: Cross multiply
    54,380.74x = 81,561.39 × 34,600.54
  4. Step 4: Simplify right side
    54,380.74x = 2,822,068,137.15
  5. Step 5: Solve for x
    x = 2,822,068,137.15/54,380.74
  6. Step 6: Final answer
    x = 51,894.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.