Home / 49,447.89-74,171.16-12,008.25

Finding the Fourth Proportional to 49,447.89, 74,171.16 and 12,008.25

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Solution

The fourth proportional to 49,447.89, 74,171.16 and 12,008.25 is: 18,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,447.89 : 74,171.16 = 12,008.25 : x
  2. Step 2: Convert to fraction form
    49,447.89/74,171.16 = 12,008.25/x
  3. Step 3: Cross multiply
    49,447.89x = 74,171.16 × 12,008.25
  4. Step 4: Simplify right side
    49,447.89x = 890,665,832.07
  5. Step 5: Solve for x
    x = 890,665,832.07/49,447.89
  6. Step 6: Final answer
    x = 18,012.21

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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.