Home / 123,686.06-170,687.09-67,097.43

Finding the Fourth Proportional to 123,686.06, 170,687.09 and 67,097.43

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Solution

The fourth proportional to 123,686.06, 170,687.09 and 67,097.43 is: 92,594.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,686.06 : 170,687.09 = 67,097.43 : x
  2. Step 2: Convert to fraction form
    123,686.06/170,687.09 = 67,097.43/x
  3. Step 3: Cross multiply
    123,686.06x = 170,687.09 × 67,097.43
  4. Step 4: Simplify right side
    123,686.06x = 11,452,664,737.69
  5. Step 5: Solve for x
    x = 11,452,664,737.69/123,686.06
  6. Step 6: Final answer
    x = 92,594.63

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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.