Home / 120,722.55-166,589.26-67,007.58

Finding the Fourth Proportional to 120,722.55, 166,589.26 and 67,007.58

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Solution

The fourth proportional to 120,722.55, 166,589.26 and 67,007.58 is: 92,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,722.55 : 166,589.26 = 67,007.58 : x
  2. Step 2: Convert to fraction form
    120,722.55/166,589.26 = 67,007.58/x
  3. Step 3: Cross multiply
    120,722.55x = 166,589.26 × 67,007.58
  4. Step 4: Simplify right side
    120,722.55x = 11,162,743,166.59
  5. Step 5: Solve for x
    x = 11,162,743,166.59/120,722.55
  6. Step 6: Final answer
    x = 92,466.10

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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.