Home / 29,136.38-43,705.50-8,076.64

Finding the Fourth Proportional to 29,136.38, 43,705.50 and 8,076.64

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Solution

The fourth proportional to 29,136.38, 43,705.50 and 8,076.64 is: 12,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,136.38 : 43,705.50 = 8,076.64 : x
  2. Step 2: Convert to fraction form
    29,136.38/43,705.50 = 8,076.64/x
  3. Step 3: Cross multiply
    29,136.38x = 43,705.50 × 8,076.64
  4. Step 4: Simplify right side
    29,136.38x = 352,993,431.71
  5. Step 5: Solve for x
    x = 352,993,431.71/29,136.38
  6. Step 6: Final answer
    x = 12,115.21

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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.