Home / 66,227.24-99,342.66-19,481.60

Finding the Fourth Proportional to 66,227.24, 99,342.66 and 19,481.60

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Solution

The fourth proportional to 66,227.24, 99,342.66 and 19,481.60 is: 29,222.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,227.24 : 99,342.66 = 19,481.60 : x
  2. Step 2: Convert to fraction form
    66,227.24/99,342.66 = 19,481.60/x
  3. Step 3: Cross multiply
    66,227.24x = 99,342.66 × 19,481.60
  4. Step 4: Simplify right side
    66,227.24x = 1,935,353,965.06
  5. Step 5: Solve for x
    x = 1,935,353,965.06/66,227.24
  6. Step 6: Final answer
    x = 29,222.93

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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.