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Finding the Fourth Proportional to 73,277.46, 109,879.20 and 25,885.44

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Solution

The fourth proportional to 73,277.46, 109,879.20 and 25,885.44 is: 38,815.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,277.46 : 109,879.20 = 25,885.44 : x
  2. Step 2: Convert to fraction form
    73,277.46/109,879.20 = 25,885.44/x
  3. Step 3: Cross multiply
    73,277.46x = 109,879.20 × 25,885.44
  4. Step 4: Simplify right side
    73,277.46x = 2,844,271,438.85
  5. Step 5: Solve for x
    x = 2,844,271,438.85/73,277.46
  6. Step 6: Final answer
    x = 38,815.09

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1.5x scale

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.