Finding the Fourth Proportional to 74,541.09, 102,866.71 and 41,007.09
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Solution
The fourth proportional to 74,541.09, 102,866.71 and 41,007.09 is: 56,589.79
Step by Step Solution
- Step 1: Write the proportion equation
74,541.09 : 102,866.71 = 41,007.09 : x - Step 2: Convert to fraction form
74,541.09/102,866.71 = 41,007.09/x - Step 3: Cross multiply
74,541.09x = 102,866.71 × 41,007.09 - Step 4: Simplify right side
74,541.09x = 4,218,264,795.09 - Step 5: Solve for x
x = 4,218,264,795.09/74,541.09 - Step 6: Final answer
x = 56,589.79
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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.