Home / 120,977.24-166,948.44-67,260.56

Finding the Fourth Proportional to 120,977.24, 166,948.44 and 67,260.56

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Solution

The fourth proportional to 120,977.24, 166,948.44 and 67,260.56 is: 92,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,977.24 : 166,948.44 = 67,260.56 : x
  2. Step 2: Convert to fraction form
    120,977.24/166,948.44 = 67,260.56/x
  3. Step 3: Cross multiply
    120,977.24x = 166,948.44 × 67,260.56
  4. Step 4: Simplify right side
    120,977.24x = 11,229,045,565.53
  5. Step 5: Solve for x
    x = 11,229,045,565.53/120,977.24
  6. Step 6: Final answer
    x = 92,819.49

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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.