Finding the Fourth Proportional to 75,371.01, 104,011.52 and 41,380.09
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Solution
The fourth proportional to 75,371.01, 104,011.52 and 41,380.09 is: 57,104.27
Step by Step Solution
- Step 1: Write the proportion equation
75,371.01 : 104,011.52 = 41,380.09 : x - Step 2: Convert to fraction form
75,371.01/104,011.52 = 41,380.09/x - Step 3: Cross multiply
75,371.01x = 104,011.52 × 41,380.09 - Step 4: Simplify right side
75,371.01x = 4,304,006,000.62 - Step 5: Solve for x
x = 4,304,006,000.62/75,371.01 - Step 6: Final answer
x = 57,104.27
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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.