Finding the Fourth Proportional to 66,716.52, 100,152.67 and 52,685.99
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Solution
The fourth proportional to 66,716.52, 100,152.67 and 52,685.99 is: 79,090.49
Step by Step Solution
- Step 1: Write the proportion equation
66,716.52 : 100,152.67 = 52,685.99 : x - Step 2: Convert to fraction form
66,716.52/100,152.67 = 52,685.99/x - Step 3: Cross multiply
66,716.52x = 100,152.67 × 52,685.99 - Step 4: Simplify right side
66,716.52x = 5,276,642,570.09 - Step 5: Solve for x
x = 5,276,642,570.09/66,716.52 - Step 6: Final answer
x = 79,090.49
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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.