Home / 47,179.44-70,773.12-12,119.04

Finding the Fourth Proportional to 47,179.44, 70,773.12 and 12,119.04

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Solution

The fourth proportional to 47,179.44, 70,773.12 and 12,119.04 is: 18,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,179.44 : 70,773.12 = 12,119.04 : x
  2. Step 2: Convert to fraction form
    47,179.44/70,773.12 = 12,119.04/x
  3. Step 3: Cross multiply
    47,179.44x = 70,773.12 × 12,119.04
  4. Step 4: Simplify right side
    47,179.44x = 857,702,272.20
  5. Step 5: Solve for x
    x = 857,702,272.20/47,179.44
  6. Step 6: Final answer
    x = 18,179.58

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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.