Finding the Fourth Proportional to 71,185.23, 106,777.85 and 18,594.63
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Solution
The fourth proportional to 71,185.23, 106,777.85 and 18,594.63 is: 27,891.95
Step by Step Solution
- Step 1: Write the proportion equation
71,185.23 : 106,777.85 = 18,594.63 : x - Step 2: Convert to fraction form
71,185.23/106,777.85 = 18,594.63/x - Step 3: Cross multiply
71,185.23x = 106,777.85 × 18,594.63 - Step 4: Simplify right side
71,185.23x = 1,985,494,519.97 - Step 5: Solve for x
x = 1,985,494,519.97/71,185.23 - Step 6: Final answer
x = 27,891.95
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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.