Home / 87,357.66-131,104.53-60,890.10

Finding the Fourth Proportional to 87,357.66, 131,104.53 and 60,890.10

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Solution

The fourth proportional to 87,357.66, 131,104.53 and 60,890.10 is: 91,382.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,357.66 : 131,104.53 = 60,890.10 : x
  2. Step 2: Convert to fraction form
    87,357.66/131,104.53 = 60,890.10/x
  3. Step 3: Cross multiply
    87,357.66x = 131,104.53 × 60,890.10
  4. Step 4: Simplify right side
    87,357.66x = 7,982,967,942.15
  5. Step 5: Solve for x
    x = 7,982,967,942.15/87,357.66
  6. Step 6: Final answer
    x = 91,382.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.