Home / 74,269.58-111,408.04-27,511.52

Finding the Fourth Proportional to 74,269.58, 111,408.04 and 27,511.52

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Solution

The fourth proportional to 74,269.58, 111,408.04 and 27,511.52 is: 41,268.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,269.58 : 111,408.04 = 27,511.52 : x
  2. Step 2: Convert to fraction form
    74,269.58/111,408.04 = 27,511.52/x
  3. Step 3: Cross multiply
    74,269.58x = 111,408.04 × 27,511.52
  4. Step 4: Simplify right side
    74,269.58x = 3,065,004,520.62
  5. Step 5: Solve for x
    x = 3,065,004,520.62/74,269.58
  6. Step 6: Final answer
    x = 41,268.64

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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.