Finding the Fourth Proportional to 75,261.97, 103,776.37 and 48,001.60
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Solution
The fourth proportional to 75,261.97, 103,776.37 and 48,001.60 is: 66,187.90
Step by Step Solution
- Step 1: Write the proportion equation
75,261.97 : 103,776.37 = 48,001.60 : x - Step 2: Convert to fraction form
75,261.97/103,776.37 = 48,001.60/x - Step 3: Cross multiply
75,261.97x = 103,776.37 × 48,001.60 - Step 4: Simplify right side
75,261.97x = 4,981,431,802.19 - Step 5: Solve for x
x = 4,981,431,802.19/75,261.97 - Step 6: Final answer
x = 66,187.90
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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.