Home / 80,619.31-111,249.85-44,808.09

Finding the Fourth Proportional to 80,619.31, 111,249.85 and 44,808.09

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Solution

The fourth proportional to 80,619.31, 111,249.85 and 44,808.09 is: 61,832.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,619.31 : 111,249.85 = 44,808.09 : x
  2. Step 2: Convert to fraction form
    80,619.31/111,249.85 = 44,808.09/x
  3. Step 3: Cross multiply
    80,619.31x = 111,249.85 × 44,808.09
  4. Step 4: Simplify right side
    80,619.31x = 4,984,893,291.29
  5. Step 5: Solve for x
    x = 4,984,893,291.29/80,619.31
  6. Step 6: Final answer
    x = 61,832.50

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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.