Home / 107,537.05-161,338.38-54,983.44

Finding the Fourth Proportional to 107,537.05, 161,338.38 and 54,983.44

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Solution

The fourth proportional to 107,537.05, 161,338.38 and 54,983.44 is: 82,491.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,537.05 : 161,338.38 = 54,983.44 : x
  2. Step 2: Convert to fraction form
    107,537.05/161,338.38 = 54,983.44/x
  3. Step 3: Cross multiply
    107,537.05x = 161,338.38 × 54,983.44
  4. Step 4: Simplify right side
    107,537.05x = 8,870,939,136.43
  5. Step 5: Solve for x
    x = 8,870,939,136.43/107,537.05
  6. Step 6: Final answer
    x = 82,491.93

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1.5x scale

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.