Finding the Fourth Proportional to 75,873.58, 104,705.56 and 41,882.09
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Solution
The fourth proportional to 75,873.58, 104,705.56 and 41,882.09 is: 57,797.29
Step by Step Solution
- Step 1: Write the proportion equation
75,873.58 : 104,705.56 = 41,882.09 : x - Step 2: Convert to fraction form
75,873.58/104,705.56 = 41,882.09/x - Step 3: Cross multiply
75,873.58x = 104,705.56 × 41,882.09 - Step 4: Simplify right side
75,873.58x = 4,385,287,425.66 - Step 5: Solve for x
x = 4,385,287,425.66/75,873.58 - Step 6: Final answer
x = 57,797.29
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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.