Home / 107,641.44-161,314.20-54,940.14

Finding the Fourth Proportional to 107,641.44, 161,314.20 and 54,940.14

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Solution

The fourth proportional to 107,641.44, 161,314.20 and 54,940.14 is: 82,334.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,641.44 : 161,314.20 = 54,940.14 : x
  2. Step 2: Convert to fraction form
    107,641.44/161,314.20 = 54,940.14/x
  3. Step 3: Cross multiply
    107,641.44x = 161,314.20 × 54,940.14
  4. Step 4: Simplify right side
    107,641.44x = 8,862,624,731.99
  5. Step 5: Solve for x
    x = 8,862,624,731.99/107,641.44
  6. Step 6: Final answer
    x = 82,334.69

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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.