Finding the Fourth Proportional to 104,519.28, 144,296.45 and 68,813.09
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Solution
The fourth proportional to 104,519.28, 144,296.45 and 68,813.09 is: 95,001.47
Step by Step Solution
- Step 1: Write the proportion equation
104,519.28 : 144,296.45 = 68,813.09 : x - Step 2: Convert to fraction form
104,519.28/144,296.45 = 68,813.09/x - Step 3: Cross multiply
104,519.28x = 144,296.45 × 68,813.09 - Step 4: Simplify right side
104,519.28x = 9,929,485,532.88 - Step 5: Solve for x
x = 9,929,485,532.88/104,519.28 - Step 6: Final answer
x = 95,001.47
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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.