Home / 123,739.32-170,760.38-67,150.70

Finding the Fourth Proportional to 123,739.32, 170,760.38 and 67,150.70

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Solution

The fourth proportional to 123,739.32, 170,760.38 and 67,150.70 is: 92,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,739.32 : 170,760.38 = 67,150.70 : x
  2. Step 2: Convert to fraction form
    123,739.32/170,760.38 = 67,150.70/x
  3. Step 3: Cross multiply
    123,739.32x = 170,760.38 × 67,150.70
  4. Step 4: Simplify right side
    123,739.32x = 11,466,678,195.46
  5. Step 5: Solve for x
    x = 11,466,678,195.46/123,739.32
  6. Step 6: Final answer
    x = 92,668.02

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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.