Finding the Fourth Proportional to 77,173.20, 115,751.97 and 52,372.62
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Solution
The fourth proportional to 77,173.20, 115,751.97 and 52,372.62 is: 78,553.62
Step by Step Solution
- Step 1: Write the proportion equation
77,173.20 : 115,751.97 = 52,372.62 : x - Step 2: Convert to fraction form
77,173.20/115,751.97 = 52,372.62/x - Step 3: Cross multiply
77,173.20x = 115,751.97 × 52,372.62 - Step 4: Simplify right side
77,173.20x = 6,062,233,939.06 - Step 5: Solve for x
x = 6,062,233,939.06/77,173.20 - Step 6: Final answer
x = 78,553.62
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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.