Finding the Fourth Proportional to 73,211.19, 109,858.14 and 33,768.31
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Solution
The fourth proportional to 73,211.19, 109,858.14 and 33,768.31 is: 50,671.53
Step by Step Solution
- Step 1: Write the proportion equation
73,211.19 : 109,858.14 = 33,768.31 : x - Step 2: Convert to fraction form
73,211.19/109,858.14 = 33,768.31/x - Step 3: Cross multiply
73,211.19x = 109,858.14 × 33,768.31 - Step 4: Simplify right side
73,211.19x = 3,709,723,052.96 - Step 5: Solve for x
x = 3,709,723,052.96/73,211.19 - Step 6: Final answer
x = 50,671.53
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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.