Finding the Fourth Proportional to 74,493.92, 102,801.26 and 43,884.79
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Solution
The fourth proportional to 74,493.92, 102,801.26 and 43,884.79 is: 60,560.80
Step by Step Solution
- Step 1: Write the proportion equation
74,493.92 : 102,801.26 = 43,884.79 : x - Step 2: Convert to fraction form
74,493.92/102,801.26 = 43,884.79/x - Step 3: Cross multiply
74,493.92x = 102,801.26 × 43,884.79 - Step 4: Simplify right side
74,493.92x = 4,511,411,559.54 - Step 5: Solve for x
x = 4,511,411,559.54/74,493.92 - Step 6: Final answer
x = 60,560.80
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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.