Home / 122,042.86-168,417.33-67,589.84

Finding the Fourth Proportional to 122,042.86, 168,417.33 and 67,589.84

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Solution

The fourth proportional to 122,042.86, 168,417.33 and 67,589.84 is: 93,272.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,042.86 : 168,417.33 = 67,589.84 : x
  2. Step 2: Convert to fraction form
    122,042.86/168,417.33 = 67,589.84/x
  3. Step 3: Cross multiply
    122,042.86x = 168,417.33 × 67,589.84
  4. Step 4: Simplify right side
    122,042.86x = 11,383,300,387.93
  5. Step 5: Solve for x
    x = 11,383,300,387.93/122,042.86
  6. Step 6: Final answer
    x = 93,272.97

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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.