Finding the Fourth Proportional to 71,276.74, 106,844.55 and 33,770.50
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Solution
The fourth proportional to 71,276.74, 106,844.55 and 33,770.50 is: 50,622.32
Step by Step Solution
- Step 1: Write the proportion equation
71,276.74 : 106,844.55 = 33,770.50 : x - Step 2: Convert to fraction form
71,276.74/106,844.55 = 33,770.50/x - Step 3: Cross multiply
71,276.74x = 106,844.55 × 33,770.50 - Step 4: Simplify right side
71,276.74x = 3,608,193,875.78 - Step 5: Solve for x
x = 3,608,193,875.78/71,276.74 - Step 6: Final answer
x = 50,622.32
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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.