Finding the Fourth Proportional to 75,217.95, 103,796.37 and 41,219.69
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Solution
The fourth proportional to 75,217.95, 103,796.37 and 41,219.69 is: 56,880.75
Step by Step Solution
- Step 1: Write the proportion equation
75,217.95 : 103,796.37 = 41,219.69 : x - Step 2: Convert to fraction form
75,217.95/103,796.37 = 41,219.69/x - Step 3: Cross multiply
75,217.95x = 103,796.37 × 41,219.69 - Step 4: Simplify right side
75,217.95x = 4,278,453,675.54 - Step 5: Solve for x
x = 4,278,453,675.54/75,217.95 - Step 6: Final answer
x = 56,880.75
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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.