Home / 123,224.24-170,049.42-66,635.61

Finding the Fourth Proportional to 123,224.24, 170,049.42 and 66,635.61

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Solution

The fourth proportional to 123,224.24, 170,049.42 and 66,635.61 is: 91,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,224.24 : 170,049.42 = 66,635.61 : x
  2. Step 2: Convert to fraction form
    123,224.24/170,049.42 = 66,635.61/x
  3. Step 3: Cross multiply
    123,224.24x = 170,049.42 × 66,635.61
  4. Step 4: Simplify right side
    123,224.24x = 11,331,346,831.85
  5. Step 5: Solve for x
    x = 11,331,346,831.85/123,224.24
  6. Step 6: Final answer
    x = 91,957.13

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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.