Finding the Fourth Proportional to 75,323.96, 112,916.16 and 27,912.63
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Solution
The fourth proportional to 75,323.96, 112,916.16 and 27,912.63 is: 41,843.09
Step by Step Solution
- Step 1: Write the proportion equation
75,323.96 : 112,916.16 = 27,912.63 : x - Step 2: Convert to fraction form
75,323.96/112,916.16 = 27,912.63/x - Step 3: Cross multiply
75,323.96x = 112,916.16 × 27,912.63 - Step 4: Simplify right side
75,323.96x = 3,151,786,995.10 - Step 5: Solve for x
x = 3,151,786,995.10/75,323.96 - Step 6: Final answer
x = 41,843.09
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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.