Finding the Fourth Proportional to 104,857.80, 144,703.97 and 57,110.13
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Solution
The fourth proportional to 104,857.80, 144,703.97 and 57,110.13 is: 78,812.09
Step by Step Solution
- Step 1: Write the proportion equation
104,857.80 : 144,703.97 = 57,110.13 : x - Step 2: Convert to fraction form
104,857.80/144,703.97 = 57,110.13/x - Step 3: Cross multiply
104,857.80x = 144,703.97 × 57,110.13 - Step 4: Simplify right side
104,857.80x = 8,264,062,252.67 - Step 5: Solve for x
x = 8,264,062,252.67/104,857.80 - Step 6: Final answer
x = 78,812.09
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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.