Home / 109,424.20-164,136.30-56,936.20

Finding the Fourth Proportional to 109,424.20, 164,136.30 and 56,936.20

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Solution

The fourth proportional to 109,424.20, 164,136.30 and 56,936.20 is: 85,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,424.20 : 164,136.30 = 56,936.20 : x
  2. Step 2: Convert to fraction form
    109,424.20/164,136.30 = 56,936.20/x
  3. Step 3: Cross multiply
    109,424.20x = 164,136.30 × 56,936.20
  4. Step 4: Simplify right side
    109,424.20x = 9,345,297,204.06
  5. Step 5: Solve for x
    x = 9,345,297,204.06/109,424.20
  6. Step 6: Final answer
    x = 85,404.30

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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.