Finding the Fourth Proportional to 75,716.83, 104,487.81 and 41,728.46
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Solution
The fourth proportional to 75,716.83, 104,487.81 and 41,728.46 is: 57,584.49
Step by Step Solution
- Step 1: Write the proportion equation
75,716.83 : 104,487.81 = 41,728.46 : x - Step 2: Convert to fraction form
75,716.83/104,487.81 = 41,728.46/x - Step 3: Cross multiply
75,716.83x = 104,487.81 × 41,728.46 - Step 4: Simplify right side
75,716.83x = 4,360,115,400.07 - Step 5: Solve for x
x = 4,360,115,400.07/75,716.83 - Step 6: Final answer
x = 57,584.49
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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.