Finding the Fourth Proportional to 79,067.22, 118,616.68 and 29,147.54
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Solution
The fourth proportional to 79,067.22, 118,616.68 and 29,147.54 is: 43,727.15
Step by Step Solution
- Step 1: Write the proportion equation
79,067.22 : 118,616.68 = 29,147.54 : x - Step 2: Convert to fraction form
79,067.22/118,616.68 = 29,147.54/x - Step 3: Cross multiply
79,067.22x = 118,616.68 × 29,147.54 - Step 4: Simplify right side
79,067.22x = 3,457,384,424.97 - Step 5: Solve for x
x = 3,457,384,424.97/79,067.22 - Step 6: Final answer
x = 43,727.15
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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.