Home / 74,169.34-111,252.98-18,009.88

Finding the Fourth Proportional to 74,169.34, 111,252.98 and 18,009.88

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Solution

The fourth proportional to 74,169.34, 111,252.98 and 18,009.88 is: 27,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,169.34 : 111,252.98 = 18,009.88 : x
  2. Step 2: Convert to fraction form
    74,169.34/111,252.98 = 18,009.88/x
  3. Step 3: Cross multiply
    74,169.34x = 111,252.98 × 18,009.88
  4. Step 4: Simplify right side
    74,169.34x = 2,003,652,819.44
  5. Step 5: Solve for x
    x = 2,003,652,819.44/74,169.34
  6. Step 6: Final answer
    x = 27,014.57

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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.