Finding the Fourth Proportional to 75,478.39, 104,162.69 and 41,488.09
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Solution
The fourth proportional to 75,478.39, 104,162.69 and 41,488.09 is: 57,254.94
Step by Step Solution
- Step 1: Write the proportion equation
75,478.39 : 104,162.69 = 41,488.09 : x - Step 2: Convert to fraction form
75,478.39/104,162.69 = 41,488.09/x - Step 3: Cross multiply
75,478.39x = 104,162.69 × 41,488.09 - Step 4: Simplify right side
75,478.39x = 4,321,511,057.36 - Step 5: Solve for x
x = 4,321,511,057.36/75,478.39 - Step 6: Final answer
x = 57,254.94
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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.