Home / 123,686.43-170,686.92-67,097.82

Finding the Fourth Proportional to 123,686.43, 170,686.92 and 67,097.82

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Solution

The fourth proportional to 123,686.43, 170,686.92 and 67,097.82 is: 92,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,686.43 : 170,686.92 = 67,097.82 : x
  2. Step 2: Convert to fraction form
    123,686.43/170,686.92 = 67,097.82/x
  3. Step 3: Cross multiply
    123,686.43x = 170,686.92 × 67,097.82
  4. Step 4: Simplify right side
    123,686.43x = 11,452,720,234.51
  5. Step 5: Solve for x
    x = 11,452,720,234.51/123,686.43
  6. Step 6: Final answer
    x = 92,594.80

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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.