Home / 123,740.06-170,760.39-67,150.22

Finding the Fourth Proportional to 123,740.06, 170,760.39 and 67,150.22

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Solution

The fourth proportional to 123,740.06, 170,760.39 and 67,150.22 is: 92,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,740.06 : 170,760.39 = 67,150.22 : x
  2. Step 2: Convert to fraction form
    123,740.06/170,760.39 = 67,150.22/x
  3. Step 3: Cross multiply
    123,740.06x = 170,760.39 × 67,150.22
  4. Step 4: Simplify right side
    123,740.06x = 11,466,597,755.79
  5. Step 5: Solve for x
    x = 11,466,597,755.79/123,740.06
  6. Step 6: Final answer
    x = 92,666.82

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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.