Home / 75,355.74-103,991.99-41,367.60

Finding the Fourth Proportional to 75,355.74, 103,991.99 and 41,367.60

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Solution

The fourth proportional to 75,355.74, 103,991.99 and 41,367.60 is: 57,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,355.74 : 103,991.99 = 41,367.60 : x
  2. Step 2: Convert to fraction form
    75,355.74/103,991.99 = 41,367.60/x
  3. Step 3: Cross multiply
    75,355.74x = 103,991.99 × 41,367.60
  4. Step 4: Simplify right side
    75,355.74x = 4,301,898,838.69
  5. Step 5: Solve for x
    x = 4,301,898,838.69/75,355.74
  6. Step 6: Final answer
    x = 57,087.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.