Finding the Fourth Proportional to 102,744.09, 154,115.73 and 32,628.87
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Solution
The fourth proportional to 102,744.09, 154,115.73 and 32,628.87 is: 48,943.18
Step by Step Solution
- Step 1: Write the proportion equation
102,744.09 : 154,115.73 = 32,628.87 : x - Step 2: Convert to fraction form
102,744.09/154,115.73 = 32,628.87/x - Step 3: Cross multiply
102,744.09x = 154,115.73 × 32,628.87 - Step 4: Simplify right side
102,744.09x = 5,028,622,119.13 - Step 5: Solve for x
x = 5,028,622,119.13/102,744.09 - Step 6: Final answer
x = 48,943.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.