Home / 74,141.07-111,227.94-21,554.66

Finding the Fourth Proportional to 74,141.07, 111,227.94 and 21,554.66

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Solution

The fourth proportional to 74,141.07, 111,227.94 and 21,554.66 is: 32,336.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,141.07 : 111,227.94 = 21,554.66 : x
  2. Step 2: Convert to fraction form
    74,141.07/111,227.94 = 21,554.66/x
  3. Step 3: Cross multiply
    74,141.07x = 111,227.94 × 21,554.66
  4. Step 4: Simplify right side
    74,141.07x = 2,397,479,873.06
  5. Step 5: Solve for x
    x = 2,397,479,873.06/74,141.07
  6. Step 6: Final answer
    x = 32,336.73

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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.