Home / 120,757.77-166,638.24-67,039.58

Finding the Fourth Proportional to 120,757.77, 166,638.24 and 67,039.58

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Solution

The fourth proportional to 120,757.77, 166,638.24 and 67,039.58 is: 92,510.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,757.77 : 166,638.24 = 67,039.58 : x
  2. Step 2: Convert to fraction form
    120,757.77/166,638.24 = 67,039.58/x
  3. Step 3: Cross multiply
    120,757.77x = 166,638.24 × 67,039.58
  4. Step 4: Simplify right side
    120,757.77x = 11,171,356,788.35
  5. Step 5: Solve for x
    x = 11,171,356,788.35/120,757.77
  6. Step 6: Final answer
    x = 92,510.46

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1.5x scale

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.