Finding the Fourth Proportional to 71,428.10, 107,006.06 and 44,367.62
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Solution
The fourth proportional to 71,428.10, 107,006.06 and 44,367.62 is: 66,466.90
Step by Step Solution
- Step 1: Write the proportion equation
71,428.10 : 107,006.06 = 44,367.62 : x - Step 2: Convert to fraction form
71,428.10/107,006.06 = 44,367.62/x - Step 3: Cross multiply
71,428.10x = 107,006.06 × 44,367.62 - Step 4: Simplify right side
71,428.10x = 4,747,604,207.78 - Step 5: Solve for x
x = 4,747,604,207.78/71,428.10 - Step 6: Final answer
x = 66,466.90
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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.