Home / 123,747.89-170,771.09-67,159.26

Finding the Fourth Proportional to 123,747.89, 170,771.09 and 67,159.26

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Solution

The fourth proportional to 123,747.89, 170,771.09 and 67,159.26 is: 92,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,747.89 : 170,771.09 = 67,159.26 : x
  2. Step 2: Convert to fraction form
    123,747.89/170,771.09 = 67,159.26/x
  3. Step 3: Cross multiply
    123,747.89x = 170,771.09 × 67,159.26
  4. Step 4: Simplify right side
    123,747.89x = 11,468,859,698.00
  5. Step 5: Solve for x
    x = 11,468,859,698.00/123,747.89
  6. Step 6: Final answer
    x = 92,679.24

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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.