Home / 87,136.44-130,692.28-27,964.46

Finding the Fourth Proportional to 87,136.44, 130,692.28 and 27,964.46

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Solution

The fourth proportional to 87,136.44, 130,692.28 and 27,964.46 is: 41,942.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,136.44 : 130,692.28 = 27,964.46 : x
  2. Step 2: Convert to fraction form
    87,136.44/130,692.28 = 27,964.46/x
  3. Step 3: Cross multiply
    87,136.44x = 130,692.28 × 27,964.46
  4. Step 4: Simplify right side
    87,136.44x = 3,654,739,036.37
  5. Step 5: Solve for x
    x = 3,654,739,036.37/87,136.44
  6. Step 6: Final answer
    x = 41,942.72

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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.