Home / 117,754.03-162,497.09-66,771.41

Finding the Fourth Proportional to 117,754.03, 162,497.09 and 66,771.41

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Solution

The fourth proportional to 117,754.03, 162,497.09 and 66,771.41 is: 92,142.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,754.03 : 162,497.09 = 66,771.41 : x
  2. Step 2: Convert to fraction form
    117,754.03/162,497.09 = 66,771.41/x
  3. Step 3: Cross multiply
    117,754.03x = 162,497.09 × 66,771.41
  4. Step 4: Simplify right side
    117,754.03x = 10,850,159,892.58
  5. Step 5: Solve for x
    x = 10,850,159,892.58/117,754.03
  6. Step 6: Final answer
    x = 92,142.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.