Home / 123,739.24-170,760.14-67,150.62

Finding the Fourth Proportional to 123,739.24, 170,760.14 and 67,150.62

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Solution

The fourth proportional to 123,739.24, 170,760.14 and 67,150.62 is: 92,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,739.24 : 170,760.14 = 67,150.62 : x
  2. Step 2: Convert to fraction form
    123,739.24/170,760.14 = 67,150.62/x
  3. Step 3: Cross multiply
    123,739.24x = 170,760.14 × 67,150.62
  4. Step 4: Simplify right side
    123,739.24x = 11,466,649,272.29
  5. Step 5: Solve for x
    x = 11,466,649,272.29/123,739.24
  6. Step 6: Final answer
    x = 92,667.85

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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.