Finding the Fourth Proportional to 74,386.13, 102,662.21 and 46,096.07
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Solution
The fourth proportional to 74,386.13, 102,662.21 and 46,096.07 is: 63,618.37
Step by Step Solution
- Step 1: Write the proportion equation
74,386.13 : 102,662.21 = 46,096.07 : x - Step 2: Convert to fraction form
74,386.13/102,662.21 = 46,096.07/x - Step 3: Cross multiply
74,386.13x = 102,662.21 × 46,096.07 - Step 4: Simplify right side
74,386.13x = 4,732,324,020.44 - Step 5: Solve for x
x = 4,732,324,020.44/74,386.13 - Step 6: Final answer
x = 63,618.37
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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.