Home / 87,764.23-131,563.30-54,050.98

Finding the Fourth Proportional to 87,764.23, 131,563.30 and 54,050.98

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Solution

The fourth proportional to 87,764.23, 131,563.30 and 54,050.98 is: 81,025.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,764.23 : 131,563.30 = 54,050.98 : x
  2. Step 2: Convert to fraction form
    87,764.23/131,563.30 = 54,050.98/x
  3. Step 3: Cross multiply
    87,764.23x = 131,563.30 × 54,050.98
  4. Step 4: Simplify right side
    87,764.23x = 7,111,125,297.03
  5. Step 5: Solve for x
    x = 7,111,125,297.03/87,764.23
  6. Step 6: Final answer
    x = 81,025.33

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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.