Home / 75,109.25-103,649.91-41,117.33

Finding the Fourth Proportional to 75,109.25, 103,649.91 and 41,117.33

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Solution

The fourth proportional to 75,109.25, 103,649.91 and 41,117.33 is: 56,741.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,109.25 : 103,649.91 = 41,117.33 : x
  2. Step 2: Convert to fraction form
    75,109.25/103,649.91 = 41,117.33/x
  3. Step 3: Cross multiply
    75,109.25x = 103,649.91 × 41,117.33
  4. Step 4: Simplify right side
    75,109.25x = 4,261,807,553.94
  5. Step 5: Solve for x
    x = 4,261,807,553.94/75,109.25
  6. Step 6: Final answer
    x = 56,741.45

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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.