Home / 123,686.19-170,687.27-67,097.56

Finding the Fourth Proportional to 123,686.19, 170,687.27 and 67,097.56

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Solution

The fourth proportional to 123,686.19, 170,687.27 and 67,097.56 is: 92,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,686.19 : 170,687.27 = 67,097.56 : x
  2. Step 2: Convert to fraction form
    123,686.19/170,687.27 = 67,097.56/x
  3. Step 3: Cross multiply
    123,686.19x = 170,687.27 × 67,097.56
  4. Step 4: Simplify right side
    123,686.19x = 11,452,699,340.06
  5. Step 5: Solve for x
    x = 11,452,699,340.06/123,686.19
  6. Step 6: Final answer
    x = 92,594.81

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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.