Finding the Fourth Proportional to 81,544.68, 122,303.90 and 22,366.62
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Solution
The fourth proportional to 81,544.68, 122,303.90 and 22,366.62 is: 33,546.33
Step by Step Solution
- Step 1: Write the proportion equation
81,544.68 : 122,303.90 = 22,366.62 : x - Step 2: Convert to fraction form
81,544.68/122,303.90 = 22,366.62/x - Step 3: Cross multiply
81,544.68x = 122,303.90 × 22,366.62 - Step 4: Simplify right side
81,544.68x = 2,735,524,855.82 - Step 5: Solve for x
x = 2,735,524,855.82/81,544.68 - Step 6: Final answer
x = 33,546.33
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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.