Home / 123,752.17-170,777.91-67,163.59

Finding the Fourth Proportional to 123,752.17, 170,777.91 and 67,163.59

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Solution

The fourth proportional to 123,752.17, 170,777.91 and 67,163.59 is: 92,685.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,752.17 : 170,777.91 = 67,163.59 : x
  2. Step 2: Convert to fraction form
    123,752.17/170,777.91 = 67,163.59/x
  3. Step 3: Cross multiply
    123,752.17x = 170,777.91 × 67,163.59
  4. Step 4: Simplify right side
    123,752.17x = 11,470,057,528.30
  5. Step 5: Solve for x
    x = 11,470,057,528.30/123,752.17
  6. Step 6: Final answer
    x = 92,685.71

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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.