Finding the Fourth Proportional to 75,761.04, 104,550.50 and 41,768.79
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Solution
The fourth proportional to 75,761.04, 104,550.50 and 41,768.79 is: 57,641.07
Step by Step Solution
- Step 1: Write the proportion equation
75,761.04 : 104,550.50 = 41,768.79 : x - Step 2: Convert to fraction form
75,761.04/104,550.50 = 41,768.79/x - Step 3: Cross multiply
75,761.04x = 104,550.50 × 41,768.79 - Step 4: Simplify right side
75,761.04x = 4,366,947,591.25 - Step 5: Solve for x
x = 4,366,947,591.25/75,761.04 - Step 6: Final answer
x = 57,641.07
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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.