Home / 123,632.80-170,611.66-67,043.88

Finding the Fourth Proportional to 123,632.80, 170,611.66 and 67,043.88

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Solution

The fourth proportional to 123,632.80, 170,611.66 and 67,043.88 is: 92,519.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,632.80 : 170,611.66 = 67,043.88 : x
  2. Step 2: Convert to fraction form
    123,632.80/170,611.66 = 67,043.88/x
  3. Step 3: Cross multiply
    123,632.80x = 170,611.66 × 67,043.88
  4. Step 4: Simplify right side
    123,632.80x = 11,438,467,659.64
  5. Step 5: Solve for x
    x = 11,438,467,659.64/123,632.80
  6. Step 6: Final answer
    x = 92,519.68

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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.