Finding the Fourth Proportional to 71,135.08, 106,617.39 and 33,133.12
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Solution
The fourth proportional to 71,135.08, 106,617.39 and 33,133.12 is: 49,659.98
Step by Step Solution
- Step 1: Write the proportion equation
71,135.08 : 106,617.39 = 33,133.12 : x - Step 2: Convert to fraction form
71,135.08/106,617.39 = 33,133.12/x - Step 3: Cross multiply
71,135.08x = 106,617.39 × 33,133.12 - Step 4: Simplify right side
71,135.08x = 3,532,566,776.96 - Step 5: Solve for x
x = 3,532,566,776.96/71,135.08 - Step 6: Final answer
x = 49,659.98
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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.