Finding the Fourth Proportional to 71,352.09, 107,029.19 and 33,916.02
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Solution
The fourth proportional to 71,352.09, 107,029.19 and 33,916.02 is: 50,874.53
Step by Step Solution
- Step 1: Write the proportion equation
71,352.09 : 107,029.19 = 33,916.02 : x - Step 2: Convert to fraction form
71,352.09/107,029.19 = 33,916.02/x - Step 3: Cross multiply
71,352.09x = 107,029.19 × 33,916.02 - Step 4: Simplify right side
71,352.09x = 3,630,004,148.62 - Step 5: Solve for x
x = 3,630,004,148.62/71,352.09 - Step 6: Final answer
x = 50,874.53
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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.