Finding the Fourth Proportional to 75,450.81, 104,122.10 and 41,461.49
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Solution
The fourth proportional to 75,450.81, 104,122.10 and 41,461.49 is: 57,216.84
Step by Step Solution
- Step 1: Write the proportion equation
75,450.81 : 104,122.10 = 41,461.49 : x - Step 2: Convert to fraction form
75,450.81/104,122.10 = 41,461.49/x - Step 3: Cross multiply
75,450.81x = 104,122.10 × 41,461.49 - Step 4: Simplify right side
75,450.81x = 4,317,057,333.94 - Step 5: Solve for x
x = 4,317,057,333.94/75,450.81 - Step 6: Final answer
x = 57,216.84
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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.