Home / 74,132.30-111,256.89-27,398.54

Finding the Fourth Proportional to 74,132.30, 111,256.89 and 27,398.54

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Solution

The fourth proportional to 74,132.30, 111,256.89 and 27,398.54 is: 41,119.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,132.30 : 111,256.89 = 27,398.54 : x
  2. Step 2: Convert to fraction form
    74,132.30/111,256.89 = 27,398.54/x
  3. Step 3: Cross multiply
    74,132.30x = 111,256.89 × 27,398.54
  4. Step 4: Simplify right side
    74,132.30x = 3,048,276,350.94
  5. Step 5: Solve for x
    x = 3,048,276,350.94/74,132.30
  6. Step 6: Final answer
    x = 41,119.41

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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.