Finding the Fourth Proportional to 75,371.70, 113,052.06 and 30,396.09
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Solution
The fourth proportional to 75,371.70, 113,052.06 and 30,396.09 is: 45,591.92
Step by Step Solution
- Step 1: Write the proportion equation
75,371.70 : 113,052.06 = 30,396.09 : x - Step 2: Convert to fraction form
75,371.70/113,052.06 = 30,396.09/x - Step 3: Cross multiply
75,371.70x = 113,052.06 × 30,396.09 - Step 4: Simplify right side
75,371.70x = 3,436,340,590.45 - Step 5: Solve for x
x = 3,436,340,590.45/75,371.70 - Step 6: Final answer
x = 45,591.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.