Finding the Fourth Proportional to 89,362.92, 133,993.14 and 36,729
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Solution
The fourth proportional to 89,362.92, 133,993.14 and 36,729 is: 55,072.44
Step by Step Solution
- Step 1: Write the proportion equation
89,362.92 : 133,993.14 = 36,729 : x - Step 2: Convert to fraction form
89,362.92/133,993.14 = 36,729/x - Step 3: Cross multiply
89,362.92x = 133,993.14 × 36,729 - Step 4: Simplify right side
89,362.92x = 4,921,434,039.06 - Step 5: Solve for x
x = 4,921,434,039.06/89,362.92 - Step 6: Final answer
x = 55,072.44
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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.