Home / 107,424.42-161,136.69-40,849.17

Finding the Fourth Proportional to 107,424.42, 161,136.69 and 40,849.17

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Solution

The fourth proportional to 107,424.42, 161,136.69 and 40,849.17 is: 61,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,424.42 : 161,136.69 = 40,849.17 : x
  2. Step 2: Convert to fraction form
    107,424.42/161,136.69 = 40,849.17/x
  3. Step 3: Cross multiply
    107,424.42x = 161,136.69 × 40,849.17
  4. Step 4: Simplify right side
    107,424.42x = 6,582,300,043.05
  5. Step 5: Solve for x
    x = 6,582,300,043.05/107,424.42
  6. Step 6: Final answer
    x = 61,273.78

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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.