Finding the Fourth Proportional to 104,796.66, 144,619.40 and 57,049.99
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Solution
The fourth proportional to 104,796.66, 144,619.40 and 57,049.99 is: 78,728.99
Step by Step Solution
- Step 1: Write the proportion equation
104,796.66 : 144,619.40 = 57,049.99 : x - Step 2: Convert to fraction form
104,796.66/144,619.40 = 57,049.99/x - Step 3: Cross multiply
104,796.66x = 144,619.40 × 57,049.99 - Step 4: Simplify right side
104,796.66x = 8,250,535,323.81 - Step 5: Solve for x
x = 8,250,535,323.81/104,796.66 - Step 6: Final answer
x = 78,728.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.