Home / 87,673.94-120,997.41-53,682.26

Finding the Fourth Proportional to 87,673.94, 120,997.41 and 53,682.26

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Solution

The fourth proportional to 87,673.94, 120,997.41 and 53,682.26 is: 74,086.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,673.94 : 120,997.41 = 53,682.26 : x
  2. Step 2: Convert to fraction form
    87,673.94/120,997.41 = 53,682.26/x
  3. Step 3: Cross multiply
    87,673.94x = 120,997.41 × 53,682.26
  4. Step 4: Simplify right side
    87,673.94x = 6,495,414,422.95
  5. Step 5: Solve for x
    x = 6,495,414,422.95/87,673.94
  6. Step 6: Final answer
    x = 74,086.03

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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.