Home / 75,105.27-103,645.47-41,571.27

Finding the Fourth Proportional to 75,105.27, 103,645.47 and 41,571.27

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Solution

The fourth proportional to 75,105.27, 103,645.47 and 41,571.27 is: 57,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,105.27 : 103,645.47 = 41,571.27 : x
  2. Step 2: Convert to fraction form
    75,105.27/103,645.47 = 41,571.27/x
  3. Step 3: Cross multiply
    75,105.27x = 103,645.47 × 41,571.27
  4. Step 4: Simplify right side
    75,105.27x = 4,308,673,817.65
  5. Step 5: Solve for x
    x = 4,308,673,817.65/75,105.27
  6. Step 6: Final answer
    x = 57,368.46

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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.