Home / 74,131.80-111,256.14-27,398.04

Finding the Fourth Proportional to 74,131.80, 111,256.14 and 27,398.04

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Solution

The fourth proportional to 74,131.80, 111,256.14 and 27,398.04 is: 41,118.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,131.80 : 111,256.14 = 27,398.04 : x
  2. Step 2: Convert to fraction form
    74,131.80/111,256.14 = 27,398.04/x
  3. Step 3: Cross multiply
    74,131.80x = 111,256.14 × 27,398.04
  4. Step 4: Simplify right side
    74,131.80x = 3,048,200,173.97
  5. Step 5: Solve for x
    x = 3,048,200,173.97/74,131.80
  6. Step 6: Final answer
    x = 41,118.66

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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.