Home / 47,781.81-71,683.44-16,190.04

Finding the Fourth Proportional to 47,781.81, 71,683.44 and 16,190.04

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Solution

The fourth proportional to 47,781.81, 71,683.44 and 16,190.04 is: 24,288.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,781.81 : 71,683.44 = 16,190.04 : x
  2. Step 2: Convert to fraction form
    47,781.81/71,683.44 = 16,190.04/x
  3. Step 3: Cross multiply
    47,781.81x = 71,683.44 × 16,190.04
  4. Step 4: Simplify right side
    47,781.81x = 1,160,557,760.94
  5. Step 5: Solve for x
    x = 1,160,557,760.94/47,781.81
  6. Step 6: Final answer
    x = 24,288.69

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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.