Finding the Fourth Proportional to 79,945.11, 110,324.25 and 44,135.19
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Solution
The fourth proportional to 79,945.11, 110,324.25 and 44,135.19 is: 60,906.56
Step by Step Solution
- Step 1: Write the proportion equation
79,945.11 : 110,324.25 = 44,135.19 : x - Step 2: Convert to fraction form
79,945.11/110,324.25 = 44,135.19/x - Step 3: Cross multiply
79,945.11x = 110,324.25 × 44,135.19 - Step 4: Simplify right side
79,945.11x = 4,869,181,735.36 - Step 5: Solve for x
x = 4,869,181,735.36/79,945.11 - Step 6: Final answer
x = 60,906.56
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1.5x scale
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.