Home / 107,647.23-161,481.86-41,143.34

Finding the Fourth Proportional to 107,647.23, 161,481.86 and 41,143.34

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Solution

The fourth proportional to 107,647.23, 161,481.86 and 41,143.34 is: 61,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,647.23 : 161,481.86 = 41,143.34 : x
  2. Step 2: Convert to fraction form
    107,647.23/161,481.86 = 41,143.34/x
  3. Step 3: Cross multiply
    107,647.23x = 161,481.86 × 41,143.34
  4. Step 4: Simplify right side
    107,647.23x = 6,643,902,056.69
  5. Step 5: Solve for x
    x = 6,643,902,056.69/107,647.23
  6. Step 6: Final answer
    x = 61,719.21

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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.