Home / 74,175.36-111,261.98-18,015.90

Finding the Fourth Proportional to 74,175.36, 111,261.98 and 18,015.90

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Solution

The fourth proportional to 74,175.36, 111,261.98 and 18,015.90 is: 27,023.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,175.36 : 111,261.98 = 18,015.90 : x
  2. Step 2: Convert to fraction form
    74,175.36/111,261.98 = 18,015.90/x
  3. Step 3: Cross multiply
    74,175.36x = 111,261.98 × 18,015.90
  4. Step 4: Simplify right side
    74,175.36x = 2,004,484,705.48
  5. Step 5: Solve for x
    x = 2,004,484,705.48/74,175.36
  6. Step 6: Final answer
    x = 27,023.59

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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.