Finding the Fourth Proportional to 79,425.36, 109,608.66 and 43,617.96
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Solution
The fourth proportional to 79,425.36, 109,608.66 and 43,617.96 is: 60,193.70
Step by Step Solution
- Step 1: Write the proportion equation
79,425.36 : 109,608.66 = 43,617.96 : x - Step 2: Convert to fraction form
79,425.36/109,608.66 = 43,617.96/x - Step 3: Cross multiply
79,425.36x = 109,608.66 × 43,617.96 - Step 4: Simplify right side
79,425.36x = 4,780,906,147.53 - Step 5: Solve for x
x = 4,780,906,147.53/79,425.36 - Step 6: Final answer
x = 60,193.70
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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.