Home / 109,871.28-164,671.92-50,624.64

Finding the Fourth Proportional to 109,871.28, 164,671.92 and 50,624.64

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Solution

The fourth proportional to 109,871.28, 164,671.92 and 50,624.64 is: 75,874.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,871.28 : 164,671.92 = 50,624.64 : x
  2. Step 2: Convert to fraction form
    109,871.28/164,671.92 = 50,624.64/x
  3. Step 3: Cross multiply
    109,871.28x = 164,671.92 × 50,624.64
  4. Step 4: Simplify right side
    109,871.28x = 8,336,456,668.11
  5. Step 5: Solve for x
    x = 8,336,456,668.11/109,871.28
  6. Step 6: Final answer
    x = 75,874.76

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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.