Finding the Fourth Proportional to 91,329.73, 137,011.60 and 32,202.97
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Solution
The fourth proportional to 91,329.73, 137,011.60 and 32,202.97 is: 48,310.45
Step by Step Solution
- Step 1: Write the proportion equation
91,329.73 : 137,011.60 = 32,202.97 : x - Step 2: Convert to fraction form
91,329.73/137,011.60 = 32,202.97/x - Step 3: Cross multiply
91,329.73x = 137,011.60 × 32,202.97 - Step 4: Simplify right side
91,329.73x = 4,412,180,142.18 - Step 5: Solve for x
x = 4,412,180,142.18/91,329.73 - Step 6: Final answer
x = 48,310.45
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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.