Finding the Fourth Proportional to 75,730.37, 104,503.64 and 41,738.75
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Solution
The fourth proportional to 75,730.37, 104,503.64 and 41,738.75 is: 57,597.12
Step by Step Solution
- Step 1: Write the proportion equation
75,730.37 : 104,503.64 = 41,738.75 : x - Step 2: Convert to fraction form
75,730.37/104,503.64 = 41,738.75/x - Step 3: Cross multiply
75,730.37x = 104,503.64 × 41,738.75 - Step 4: Simplify right side
75,730.37x = 4,361,851,304.05 - Step 5: Solve for x
x = 4,361,851,304.05/75,730.37 - Step 6: Final answer
x = 57,597.12
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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.