Home / 120,768.50-166,665.74-67,053.52

Finding the Fourth Proportional to 120,768.50, 166,665.74 and 67,053.52

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Solution

The fourth proportional to 120,768.50, 166,665.74 and 67,053.52 is: 92,536.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,768.50 : 166,665.74 = 67,053.52 : x
  2. Step 2: Convert to fraction form
    120,768.50/166,665.74 = 67,053.52/x
  3. Step 3: Cross multiply
    120,768.50x = 166,665.74 × 67,053.52
  4. Step 4: Simplify right side
    120,768.50x = 11,175,524,530.40
  5. Step 5: Solve for x
    x = 11,175,524,530.40/120,768.50
  6. Step 6: Final answer
    x = 92,536.75

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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.