Home / 107,974.20-161,846.10-41,388.60

Finding the Fourth Proportional to 107,974.20, 161,846.10 and 41,388.60

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Solution

The fourth proportional to 107,974.20, 161,846.10 and 41,388.60 is: 62,038.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,974.20 : 161,846.10 = 41,388.60 : x
  2. Step 2: Convert to fraction form
    107,974.20/161,846.10 = 41,388.60/x
  3. Step 3: Cross multiply
    107,974.20x = 161,846.10 × 41,388.60
  4. Step 4: Simplify right side
    107,974.20x = 6,698,583,494.46
  5. Step 5: Solve for x
    x = 6,698,583,494.46/107,974.20
  6. Step 6: Final answer
    x = 62,038.74

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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.