Finding the Fourth Proportional to 75,731.09, 113,592.51 and 23,136.44
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Solution
The fourth proportional to 75,731.09, 113,592.51 and 23,136.44 is: 34,703.39
Step by Step Solution
- Step 1: Write the proportion equation
75,731.09 : 113,592.51 = 23,136.44 : x - Step 2: Convert to fraction form
75,731.09/113,592.51 = 23,136.44/x - Step 3: Cross multiply
75,731.09x = 113,592.51 × 23,136.44 - Step 4: Simplify right side
75,731.09x = 2,628,125,724.10 - Step 5: Solve for x
x = 2,628,125,724.10/75,731.09 - Step 6: Final answer
x = 34,703.39
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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.