Finding the Fourth Proportional to 75,193.82, 103,767.44 and 41,203.60
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Solution
The fourth proportional to 75,193.82, 103,767.44 and 41,203.60 is: 56,860.95
Step by Step Solution
- Step 1: Write the proportion equation
75,193.82 : 103,767.44 = 41,203.60 : x - Step 2: Convert to fraction form
75,193.82/103,767.44 = 41,203.60/x - Step 3: Cross multiply
75,193.82x = 103,767.44 × 41,203.60 - Step 4: Simplify right side
75,193.82x = 4,275,592,090.78 - Step 5: Solve for x
x = 4,275,592,090.78/75,193.82 - Step 6: Final answer
x = 56,860.95
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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.