Home / 74,165.82-111,247.71-18,006.36

Finding the Fourth Proportional to 74,165.82, 111,247.71 and 18,006.36

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Solution

The fourth proportional to 74,165.82, 111,247.71 and 18,006.36 is: 27,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,165.82 : 111,247.71 = 18,006.36 : x
  2. Step 2: Convert to fraction form
    74,165.82/111,247.71 = 18,006.36/x
  3. Step 3: Cross multiply
    74,165.82x = 111,247.71 × 18,006.36
  4. Step 4: Simplify right side
    74,165.82x = 2,003,166,315.44
  5. Step 5: Solve for x
    x = 2,003,166,315.44/74,165.82
  6. Step 6: Final answer
    x = 27,009.29

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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.