Finding the Fourth Proportional to 75,694.18, 104,458.07 and 41,238.74
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Solution
The fourth proportional to 75,694.18, 104,458.07 and 41,238.74 is: 56,909.52
Step by Step Solution
- Step 1: Write the proportion equation
75,694.18 : 104,458.07 = 41,238.74 : x - Step 2: Convert to fraction form
75,694.18/104,458.07 = 41,238.74/x - Step 3: Cross multiply
75,694.18x = 104,458.07 × 41,238.74 - Step 4: Simplify right side
75,694.18x = 4,307,719,399.23 - Step 5: Solve for x
x = 4,307,719,399.23/75,694.18 - Step 6: Final answer
x = 56,909.52
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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.