Finding the Fourth Proportional to 89,163.84, 133,486.38 and 46,944.12
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Solution
The fourth proportional to 89,163.84, 133,486.38 and 46,944.12 is: 70,279.62
Step by Step Solution
- Step 1: Write the proportion equation
89,163.84 : 133,486.38 = 46,944.12 : x - Step 2: Convert to fraction form
89,163.84/133,486.38 = 46,944.12/x - Step 3: Cross multiply
89,163.84x = 133,486.38 × 46,944.12 - Step 4: Simplify right side
89,163.84x = 6,266,400,641.09 - Step 5: Solve for x
x = 6,266,400,641.09/89,163.84 - Step 6: Final answer
x = 70,279.62
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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.