Home / 87,367.02-131,018.19-31,192.03

Finding the Fourth Proportional to 87,367.02, 131,018.19 and 31,192.03

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Solution

The fourth proportional to 87,367.02, 131,018.19 and 31,192.03 is: 46,776.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,367.02 : 131,018.19 = 31,192.03 : x
  2. Step 2: Convert to fraction form
    87,367.02/131,018.19 = 31,192.03/x
  3. Step 3: Cross multiply
    87,367.02x = 131,018.19 × 31,192.03
  4. Step 4: Simplify right side
    87,367.02x = 4,086,723,313.03
  5. Step 5: Solve for x
    x = 4,086,723,313.03/87,367.02
  6. Step 6: Final answer
    x = 46,776.50

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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.