Home / 87,842.76-131,653.78-37,864.36

Finding the Fourth Proportional to 87,842.76, 131,653.78 and 37,864.36

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Solution

The fourth proportional to 87,842.76, 131,653.78 and 37,864.36 is: 56,748.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,842.76 : 131,653.78 = 37,864.36 : x
  2. Step 2: Convert to fraction form
    87,842.76/131,653.78 = 37,864.36/x
  3. Step 3: Cross multiply
    87,842.76x = 131,653.78 × 37,864.36
  4. Step 4: Simplify right side
    87,842.76x = 4,984,986,121.28
  5. Step 5: Solve for x
    x = 4,984,986,121.28/87,842.76
  6. Step 6: Final answer
    x = 56,748.97

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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.