Home / 87,692.28-131,571.56-52,656.36

Finding the Fourth Proportional to 87,692.28, 131,571.56 and 52,656.36

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Solution

The fourth proportional to 87,692.28, 131,571.56 and 52,656.36 is: 79,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,692.28 : 131,571.56 = 52,656.36 : x
  2. Step 2: Convert to fraction form
    87,692.28/131,571.56 = 52,656.36/x
  3. Step 3: Cross multiply
    87,692.28x = 131,571.56 × 52,656.36
  4. Step 4: Simplify right side
    87,692.28x = 6,928,079,429.12
  5. Step 5: Solve for x
    x = 6,928,079,429.12/87,692.28
  6. Step 6: Final answer
    x = 79,004.44

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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.