Home / 66,548.44-99,827.54-19,161.61

Finding the Fourth Proportional to 66,548.44, 99,827.54 and 19,161.61

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Solution

The fourth proportional to 66,548.44, 99,827.54 and 19,161.61 is: 28,743.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,548.44 : 99,827.54 = 19,161.61 : x
  2. Step 2: Convert to fraction form
    66,548.44/99,827.54 = 19,161.61/x
  3. Step 3: Cross multiply
    66,548.44x = 99,827.54 × 19,161.61
  4. Step 4: Simplify right side
    66,548.44x = 1,912,856,388.74
  5. Step 5: Solve for x
    x = 1,912,856,388.74/66,548.44
  6. Step 6: Final answer
    x = 28,743.82

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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.