Home / 75,939.56-104,845.86-67,967.96

Finding the Fourth Proportional to 75,939.56, 104,845.86 and 67,967.96

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Solution

The fourth proportional to 75,939.56, 104,845.86 and 67,967.96 is: 93,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,939.56 : 104,845.86 = 67,967.96 : x
  2. Step 2: Convert to fraction form
    75,939.56/104,845.86 = 67,967.96/x
  3. Step 3: Cross multiply
    75,939.56x = 104,845.86 × 67,967.96
  4. Step 4: Simplify right side
    75,939.56x = 7,126,159,218.65
  5. Step 5: Solve for x
    x = 7,126,159,218.65/75,939.56
  6. Step 6: Final answer
    x = 93,839.88

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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.