Home / 49,114.20-73,671.30-12,178.20

Finding the Fourth Proportional to 49,114.20, 73,671.30 and 12,178.20

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Solution

The fourth proportional to 49,114.20, 73,671.30 and 12,178.20 is: 18,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,114.20 : 73,671.30 = 12,178.20 : x
  2. Step 2: Convert to fraction form
    49,114.20/73,671.30 = 12,178.20/x
  3. Step 3: Cross multiply
    49,114.20x = 73,671.30 × 12,178.20
  4. Step 4: Simplify right side
    49,114.20x = 897,183,825.66
  5. Step 5: Solve for x
    x = 897,183,825.66/49,114.20
  6. Step 6: Final answer
    x = 18,267.30

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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.