Finding the Fourth Proportional to 91,806.75, 137,711.21 and 35,649.99
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Solution
The fourth proportional to 91,806.75, 137,711.21 and 35,649.99 is: 53,475.40
Step by Step Solution
- Step 1: Write the proportion equation
91,806.75 : 137,711.21 = 35,649.99 : x - Step 2: Convert to fraction form
91,806.75/137,711.21 = 35,649.99/x - Step 3: Cross multiply
91,806.75x = 137,711.21 × 35,649.99 - Step 4: Simplify right side
91,806.75x = 4,909,403,081.14 - Step 5: Solve for x
x = 4,909,403,081.14/91,806.75 - Step 6: Final answer
x = 53,475.40
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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.