Finding the Fourth Proportional to 91,414.26, 137,107.49 and 35,280.99
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Solution
The fourth proportional to 91,414.26, 137,107.49 and 35,280.99 is: 52,916.12
Step by Step Solution
- Step 1: Write the proportion equation
91,414.26 : 137,107.49 = 35,280.99 : x - Step 2: Convert to fraction form
91,414.26/137,107.49 = 35,280.99/x - Step 3: Cross multiply
91,414.26x = 137,107.49 × 35,280.99 - Step 4: Simplify right side
91,414.26x = 4,837,287,807.21 - Step 5: Solve for x
x = 4,837,287,807.21/91,414.26 - Step 6: Final answer
x = 52,916.12
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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.