Home / 74,175.28-111,261.78-18,015.82

Finding the Fourth Proportional to 74,175.28, 111,261.78 and 18,015.82

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Solution

The fourth proportional to 74,175.28, 111,261.78 and 18,015.82 is: 27,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,175.28 : 111,261.78 = 18,015.82 : x
  2. Step 2: Convert to fraction form
    74,175.28/111,261.78 = 18,015.82/x
  3. Step 3: Cross multiply
    74,175.28x = 111,261.78 × 18,015.82
  4. Step 4: Simplify right side
    74,175.28x = 2,004,472,201.36
  5. Step 5: Solve for x
    x = 2,004,472,201.36/74,175.28
  6. Step 6: Final answer
    x = 27,023.45

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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.