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Finding the Fourth Proportional to 76,074.60, 104,977.62 and 44,241.24

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Solution

The fourth proportional to 76,074.60, 104,977.62 and 44,241.24 is: 61,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,074.60 : 104,977.62 = 44,241.24 : x
  2. Step 2: Convert to fraction form
    76,074.60/104,977.62 = 44,241.24/x
  3. Step 3: Cross multiply
    76,074.60x = 104,977.62 × 44,241.24
  4. Step 4: Simplify right side
    76,074.60x = 4,644,340,081.05
  5. Step 5: Solve for x
    x = 4,644,340,081.05/76,074.60
  6. Step 6: Final answer
    x = 61,049.81

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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.