Home / 54,620.05-81,846.60-36,784.75

Finding the Fourth Proportional to 54,620.05, 81,846.60 and 36,784.75

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Solution

The fourth proportional to 54,620.05, 81,846.60 and 36,784.75 is: 55,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,620.05 : 81,846.60 = 36,784.75 : x
  2. Step 2: Convert to fraction form
    54,620.05/81,846.60 = 36,784.75/x
  3. Step 3: Cross multiply
    54,620.05x = 81,846.60 × 36,784.75
  4. Step 4: Simplify right side
    54,620.05x = 3,010,706,719.35
  5. Step 5: Solve for x
    x = 3,010,706,719.35/54,620.05
  6. Step 6: Final answer
    x = 55,120.91

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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.