Finding the Fourth Proportional to 75,825.09, 113,760.71 and 35,874.75
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Solution
The fourth proportional to 75,825.09, 113,760.71 and 35,874.75 is: 53,823.04
Step by Step Solution
- Step 1: Write the proportion equation
75,825.09 : 113,760.71 = 35,874.75 : x - Step 2: Convert to fraction form
75,825.09/113,760.71 = 35,874.75/x - Step 3: Cross multiply
75,825.09x = 113,760.71 × 35,874.75 - Step 4: Simplify right side
75,825.09x = 4,081,136,851.70 - Step 5: Solve for x
x = 4,081,136,851.70/75,825.09 - Step 6: Final answer
x = 53,823.04
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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.