Finding the Fourth Proportional to 74,334.54, 102,616.57 and 49,847.03
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Solution
The fourth proportional to 74,334.54, 102,616.57 and 49,847.03 is: 68,812.31
Step by Step Solution
- Step 1: Write the proportion equation
74,334.54 : 102,616.57 = 49,847.03 : x - Step 2: Convert to fraction form
74,334.54/102,616.57 = 49,847.03/x - Step 3: Cross multiply
74,334.54x = 102,616.57 × 49,847.03 - Step 4: Simplify right side
74,334.54x = 5,115,131,243.29 - Step 5: Solve for x
x = 5,115,131,243.29/74,334.54 - Step 6: Final answer
x = 68,812.31
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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.