Finding the Fourth Proportional to 75,570.26, 113,354.62 and 28,183.70
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Solution
The fourth proportional to 75,570.26, 113,354.62 and 28,183.70 is: 42,275.26
Step by Step Solution
- Step 1: Write the proportion equation
75,570.26 : 113,354.62 = 28,183.70 : x - Step 2: Convert to fraction form
75,570.26/113,354.62 = 28,183.70/x - Step 3: Cross multiply
75,570.26x = 113,354.62 × 28,183.70 - Step 4: Simplify right side
75,570.26x = 3,194,752,603.69 - Step 5: Solve for x
x = 3,194,752,603.69/75,570.26 - Step 6: Final answer
x = 42,275.26
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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.