Home / 107,880.36-161,821.89-41,324.49

Finding the Fourth Proportional to 107,880.36, 161,821.89 and 41,324.49

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Solution

The fourth proportional to 107,880.36, 161,821.89 and 41,324.49 is: 61,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,880.36 : 161,821.89 = 41,324.49 : x
  2. Step 2: Convert to fraction form
    107,880.36/161,821.89 = 41,324.49/x
  3. Step 3: Cross multiply
    107,880.36x = 161,821.89 × 41,324.49
  4. Step 4: Simplify right side
    107,880.36x = 6,687,207,075.09
  5. Step 5: Solve for x
    x = 6,687,207,075.09/107,880.36
  6. Step 6: Final answer
    x = 61,987.25

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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.