Finding the Fourth Proportional to 71,137.08, 106,620.39 and 33,135.12
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Solution
The fourth proportional to 71,137.08, 106,620.39 and 33,135.12 is: 49,662.98
Step by Step Solution
- Step 1: Write the proportion equation
71,137.08 : 106,620.39 = 33,135.12 : x - Step 2: Convert to fraction form
71,137.08/106,620.39 = 33,135.12/x - Step 3: Cross multiply
71,137.08x = 106,620.39 × 33,135.12 - Step 4: Simplify right side
71,137.08x = 3,532,879,417.10 - Step 5: Solve for x
x = 3,532,879,417.10/71,137.08 - Step 6: Final answer
x = 49,662.98
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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.