Home / 74,131.24-111,199.96-21,540.73

Finding the Fourth Proportional to 74,131.24, 111,199.96 and 21,540.73

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Solution

The fourth proportional to 74,131.24, 111,199.96 and 21,540.73 is: 32,312.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,131.24 : 111,199.96 = 21,540.73 : x
  2. Step 2: Convert to fraction form
    74,131.24/111,199.96 = 21,540.73/x
  3. Step 3: Cross multiply
    74,131.24x = 111,199.96 × 21,540.73
  4. Step 4: Simplify right side
    74,131.24x = 2,395,328,314.37
  5. Step 5: Solve for x
    x = 2,395,328,314.37/74,131.24
  6. Step 6: Final answer
    x = 32,312.00

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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.