Finding the Fourth Proportional to 70,694.12, 106,041.20 and 33,226.68
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Solution
The fourth proportional to 70,694.12, 106,041.20 and 33,226.68 is: 49,840.03
Step by Step Solution
- Step 1: Write the proportion equation
70,694.12 : 106,041.20 = 33,226.68 : x - Step 2: Convert to fraction form
70,694.12/106,041.20 = 33,226.68/x - Step 3: Cross multiply
70,694.12x = 106,041.20 × 33,226.68 - Step 4: Simplify right side
70,694.12x = 3,523,397,019.22 - Step 5: Solve for x
x = 3,523,397,019.22/70,694.12 - Step 6: Final answer
x = 49,840.03
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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.