Home / 74,174.88-111,261.24-18,015.42

Finding the Fourth Proportional to 74,174.88, 111,261.24 and 18,015.42

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Solution

The fourth proportional to 74,174.88, 111,261.24 and 18,015.42 is: 27,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,174.88 : 111,261.24 = 18,015.42 : x
  2. Step 2: Convert to fraction form
    74,174.88/111,261.24 = 18,015.42/x
  3. Step 3: Cross multiply
    74,174.88x = 111,261.24 × 18,015.42
  4. Step 4: Simplify right side
    74,174.88x = 2,004,417,968.32
  5. Step 5: Solve for x
    x = 2,004,417,968.32/74,174.88
  6. Step 6: Final answer
    x = 27,022.87

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1.5x scale

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.