Home / 73,631.88-110,431.98-21,027.24

Finding the Fourth Proportional to 73,631.88, 110,431.98 and 21,027.24

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Solution

The fourth proportional to 73,631.88, 110,431.98 and 21,027.24 is: 31,536.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,631.88 : 110,431.98 = 21,027.24 : x
  2. Step 2: Convert to fraction form
    73,631.88/110,431.98 = 21,027.24/x
  3. Step 3: Cross multiply
    73,631.88x = 110,431.98 × 21,027.24
  4. Step 4: Simplify right side
    73,631.88x = 2,322,079,747.14
  5. Step 5: Solve for x
    x = 2,322,079,747.14/73,631.88
  6. Step 6: Final answer
    x = 31,536.34

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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.