Home / 74,391.75-111,588.23-27,644.63

Finding the Fourth Proportional to 74,391.75, 111,588.23 and 27,644.63

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Solution

The fourth proportional to 74,391.75, 111,588.23 and 27,644.63 is: 41,467.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,391.75 : 111,588.23 = 27,644.63 : x
  2. Step 2: Convert to fraction form
    74,391.75/111,588.23 = 27,644.63/x
  3. Step 3: Cross multiply
    74,391.75x = 111,588.23 × 27,644.63
  4. Step 4: Simplify right side
    74,391.75x = 3,084,814,841.88
  5. Step 5: Solve for x
    x = 3,084,814,841.88/74,391.75
  6. Step 6: Final answer
    x = 41,467.16

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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.