Home / 63,632.87-87,857.30-39,770.27

Finding the Fourth Proportional to 63,632.87, 87,857.30 and 39,770.27

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Solution

The fourth proportional to 63,632.87, 87,857.30 and 39,770.27 is: 54,910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,632.87 : 87,857.30 = 39,770.27 : x
  2. Step 2: Convert to fraction form
    63,632.87/87,857.30 = 39,770.27/x
  3. Step 3: Cross multiply
    63,632.87x = 87,857.30 × 39,770.27
  4. Step 4: Simplify right side
    63,632.87x = 3,494,108,343.62
  5. Step 5: Solve for x
    x = 3,494,108,343.62/63,632.87
  6. Step 6: Final answer
    x = 54,910.43

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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.