Home / 47,642.20-71,463.30-16,480.60

Finding the Fourth Proportional to 47,642.20, 71,463.30 and 16,480.60

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Solution

The fourth proportional to 47,642.20, 71,463.30 and 16,480.60 is: 24,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,642.20 : 71,463.30 = 16,480.60 : x
  2. Step 2: Convert to fraction form
    47,642.20/71,463.30 = 16,480.60/x
  3. Step 3: Cross multiply
    47,642.20x = 71,463.30 × 16,480.60
  4. Step 4: Simplify right side
    47,642.20x = 1,177,758,061.98
  5. Step 5: Solve for x
    x = 1,177,758,061.98/47,642.20
  6. Step 6: Final answer
    x = 24,720.90

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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.