Finding the Fourth Proportional to 104,062.65, 143,612.92 and 58,724.09
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Solution
The fourth proportional to 104,062.65, 143,612.92 and 58,724.09 is: 81,042.88
Step by Step Solution
- Step 1: Write the proportion equation
104,062.65 : 143,612.92 = 58,724.09 : x - Step 2: Convert to fraction form
104,062.65/143,612.92 = 58,724.09/x - Step 3: Cross multiply
104,062.65x = 143,612.92 × 58,724.09 - Step 4: Simplify right side
104,062.65x = 8,433,537,174.37 - Step 5: Solve for x
x = 8,433,537,174.37/104,062.65 - Step 6: Final answer
x = 81,042.88
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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.