Finding the Fourth Proportional to 66,919.68, 100,362.68 and 27,487.68
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Solution
The fourth proportional to 66,919.68, 100,362.68 and 27,487.68 is: 41,224.60
Step by Step Solution
- Step 1: Write the proportion equation
66,919.68 : 100,362.68 = 27,487.68 : x - Step 2: Convert to fraction form
66,919.68/100,362.68 = 27,487.68/x - Step 3: Cross multiply
66,919.68x = 100,362.68 × 27,487.68 - Step 4: Simplify right side
66,919.68x = 2,758,737,231.78 - Step 5: Solve for x
x = 2,758,737,231.78/66,919.68 - Step 6: Final answer
x = 41,224.60
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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.