Finding the Fourth Proportional to 104,850.30, 144,694.14 and 57,102.68
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Solution
The fourth proportional to 104,850.30, 144,694.14 and 57,102.68 is: 78,802.09
Step by Step Solution
- Step 1: Write the proportion equation
104,850.30 : 144,694.14 = 57,102.68 : x - Step 2: Convert to fraction form
104,850.30/144,694.14 = 57,102.68/x - Step 3: Cross multiply
104,850.30x = 144,694.14 × 57,102.68 - Step 4: Simplify right side
104,850.30x = 8,262,423,174.30 - Step 5: Solve for x
x = 8,262,423,174.30/104,850.30 - Step 6: Final answer
x = 78,802.09
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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.