Home / 122,505.39-169,052.00-68,789.43

Finding the Fourth Proportional to 122,505.39, 169,052.00 and 68,789.43

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Solution

The fourth proportional to 122,505.39, 169,052.00 and 68,789.43 is: 94,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,505.39 : 169,052.00 = 68,789.43 : x
  2. Step 2: Convert to fraction form
    122,505.39/169,052.00 = 68,789.43/x
  3. Step 3: Cross multiply
    122,505.39x = 169,052.00 × 68,789.43
  4. Step 4: Simplify right side
    122,505.39x = 11,628,990,376.41
  5. Step 5: Solve for x
    x = 11,628,990,376.41/122,505.39
  6. Step 6: Final answer
    x = 94,926.36

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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.