Finding the Fourth Proportional to 75,375.40, 104,018.24 and 41,386.08
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Solution
The fourth proportional to 75,375.40, 104,018.24 and 41,386.08 is: 57,112.89
Step by Step Solution
- Step 1: Write the proportion equation
75,375.40 : 104,018.24 = 41,386.08 : x - Step 2: Convert to fraction form
75,375.40/104,018.24 = 41,386.08/x - Step 3: Cross multiply
75,375.40x = 104,018.24 × 41,386.08 - Step 4: Simplify right side
75,375.40x = 4,304,907,202.10 - Step 5: Solve for x
x = 4,304,907,202.10/75,375.40 - Step 6: Final answer
x = 57,112.89
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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.