Finding the Fourth Proportional to 75,922.74, 113,884.52 and 49,792.95
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Solution
The fourth proportional to 75,922.74, 113,884.52 and 49,792.95 is: 74,689.69
Step by Step Solution
- Step 1: Write the proportion equation
75,922.74 : 113,884.52 = 49,792.95 : x - Step 2: Convert to fraction form
75,922.74/113,884.52 = 49,792.95/x - Step 3: Cross multiply
75,922.74x = 113,884.52 × 49,792.95 - Step 4: Simplify right side
75,922.74x = 5,670,645,961.17 - Step 5: Solve for x
x = 5,670,645,961.17/75,922.74 - Step 6: Final answer
x = 74,689.69
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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.