Finding the Fourth Proportional to 104,896.24, 144,745.76 and 62,448.96
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Solution
The fourth proportional to 104,896.24, 144,745.76 and 62,448.96 is: 86,172.99
Step by Step Solution
- Step 1: Write the proportion equation
104,896.24 : 144,745.76 = 62,448.96 : x - Step 2: Convert to fraction form
104,896.24/144,745.76 = 62,448.96/x - Step 3: Cross multiply
104,896.24x = 144,745.76 × 62,448.96 - Step 4: Simplify right side
104,896.24x = 9,039,222,176.41 - Step 5: Solve for x
x = 9,039,222,176.41/104,896.24 - Step 6: Final answer
x = 86,172.99
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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.