Finding the Fourth Proportional to 75,805.87, 104,614.62 and 41,352.49
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Solution
The fourth proportional to 75,805.87, 104,614.62 and 41,352.49 is: 57,067.81
Step by Step Solution
- Step 1: Write the proportion equation
75,805.87 : 104,614.62 = 41,352.49 : x - Step 2: Convert to fraction form
75,805.87/104,614.62 = 41,352.49/x - Step 3: Cross multiply
75,805.87x = 104,614.62 × 41,352.49 - Step 4: Simplify right side
75,805.87x = 4,326,075,027.40 - Step 5: Solve for x
x = 4,326,075,027.40/75,805.87 - Step 6: Final answer
x = 57,067.81
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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.