Finding the Fourth Proportional to 71,583.09, 107,327.23 and 34,148.94
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Solution
The fourth proportional to 71,583.09, 107,327.23 and 34,148.94 is: 51,200.80
Step by Step Solution
- Step 1: Write the proportion equation
71,583.09 : 107,327.23 = 34,148.94 : x - Step 2: Convert to fraction form
71,583.09/107,327.23 = 34,148.94/x - Step 3: Cross multiply
71,583.09x = 107,327.23 × 34,148.94 - Step 4: Simplify right side
71,583.09x = 3,665,111,137.64 - Step 5: Solve for x
x = 3,665,111,137.64/71,583.09 - Step 6: Final answer
x = 51,200.80
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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.