Home / 54,619.32-81,845.52-36,784.03

Finding the Fourth Proportional to 54,619.32, 81,845.52 and 36,784.03

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Solution

The fourth proportional to 54,619.32, 81,845.52 and 36,784.03 is: 55,119.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,619.32 : 81,845.52 = 36,784.03 : x
  2. Step 2: Convert to fraction form
    54,619.32/81,845.52 = 36,784.03/x
  3. Step 3: Cross multiply
    54,619.32x = 81,845.52 × 36,784.03
  4. Step 4: Simplify right side
    54,619.32x = 3,010,608,063.05
  5. Step 5: Solve for x
    x = 3,010,608,063.05/54,619.32
  6. Step 6: Final answer
    x = 55,119.84

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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.