Finding the Fourth Proportional to 75,266.62, 103,869.09 and 41,278.21
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Solution
The fourth proportional to 75,266.62, 103,869.09 and 41,278.21 is: 56,964.56
Step by Step Solution
- Step 1: Write the proportion equation
75,266.62 : 103,869.09 = 41,278.21 : x - Step 2: Convert to fraction form
75,266.62/103,869.09 = 41,278.21/x - Step 3: Cross multiply
75,266.62x = 103,869.09 × 41,278.21 - Step 4: Simplify right side
75,266.62x = 4,287,530,109.53 - Step 5: Solve for x
x = 4,287,530,109.53/75,266.62 - Step 6: Final answer
x = 56,964.56
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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.