Home / 107,817.21-161,775.99-41,235.39

Finding the Fourth Proportional to 107,817.21, 161,775.99 and 41,235.39

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Solution

The fourth proportional to 107,817.21, 161,775.99 and 41,235.39 is: 61,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,817.21 : 161,775.99 = 41,235.39 : x
  2. Step 2: Convert to fraction form
    107,817.21/161,775.99 = 41,235.39/x
  3. Step 3: Cross multiply
    107,817.21x = 161,775.99 × 41,235.39
  4. Step 4: Simplify right side
    107,817.21x = 6,670,896,040.29
  5. Step 5: Solve for x
    x = 6,670,896,040.29/107,817.21
  6. Step 6: Final answer
    x = 61,872.27

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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.