Finding the Fourth Proportional to 75,858.74, 104,690.99 and 41,873.97
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Solution
The fourth proportional to 75,858.74, 104,690.99 and 41,873.97 is: 57,789.35
Step by Step Solution
- Step 1: Write the proportion equation
75,858.74 : 104,690.99 = 41,873.97 : x - Step 2: Convert to fraction form
75,858.74/104,690.99 = 41,873.97/x - Step 3: Cross multiply
75,858.74x = 104,690.99 × 41,873.97 - Step 4: Simplify right side
75,858.74x = 4,383,827,165.16 - Step 5: Solve for x
x = 4,383,827,165.16/75,858.74 - Step 6: Final answer
x = 57,789.35
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1.5x scale
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.