Home / 123,224.42-170,049.77-66,635.79

Finding the Fourth Proportional to 123,224.42, 170,049.77 and 66,635.79

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Solution

The fourth proportional to 123,224.42, 170,049.77 and 66,635.79 is: 91,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,224.42 : 170,049.77 = 66,635.79 : x
  2. Step 2: Convert to fraction form
    123,224.42/170,049.77 = 66,635.79/x
  3. Step 3: Cross multiply
    123,224.42x = 170,049.77 × 66,635.79
  4. Step 4: Simplify right side
    123,224.42x = 11,331,400,430.09
  5. Step 5: Solve for x
    x = 11,331,400,430.09/123,224.42
  6. Step 6: Final answer
    x = 91,957.43

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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.