Finding the Fourth Proportional to 75,424.75, 113,151.68 and 28,673.98
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Solution
The fourth proportional to 75,424.75, 113,151.68 and 28,673.98 is: 43,016.50
Step by Step Solution
- Step 1: Write the proportion equation
75,424.75 : 113,151.68 = 28,673.98 : x - Step 2: Convert to fraction form
75,424.75/113,151.68 = 28,673.98/x - Step 3: Cross multiply
75,424.75x = 113,151.68 × 28,673.98 - Step 4: Simplify right side
75,424.75x = 3,244,509,080.97 - Step 5: Solve for x
x = 3,244,509,080.97/75,424.75 - Step 6: Final answer
x = 43,016.50
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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.