Finding the Fourth Proportional to 75,611.12, 104,343.71 and 41,623.02
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Solution
The fourth proportional to 75,611.12, 104,343.71 and 41,623.02 is: 57,439.97
Step by Step Solution
- Step 1: Write the proportion equation
75,611.12 : 104,343.71 = 41,623.02 : x - Step 2: Convert to fraction form
75,611.12/104,343.71 = 41,623.02/x - Step 3: Cross multiply
75,611.12x = 104,343.71 × 41,623.02 - Step 4: Simplify right side
75,611.12x = 4,343,100,120.09 - Step 5: Solve for x
x = 4,343,100,120.09/75,611.12 - Step 6: Final answer
x = 57,439.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.