Home / 120,975.13-166,949.54-67,262.41

Finding the Fourth Proportional to 120,975.13, 166,949.54 and 67,262.41

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Solution

The fourth proportional to 120,975.13, 166,949.54 and 67,262.41 is: 92,824.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,975.13 : 166,949.54 = 67,262.41 : x
  2. Step 2: Convert to fraction form
    120,975.13/166,949.54 = 67,262.41/x
  3. Step 3: Cross multiply
    120,975.13x = 166,949.54 × 67,262.41
  4. Step 4: Simplify right side
    120,975.13x = 11,229,428,072.48
  5. Step 5: Solve for x
    x = 11,229,428,072.48/120,975.13
  6. Step 6: Final answer
    x = 92,824.27

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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.