Finding the Fourth Proportional to 77,203.68, 115,860.90 and 32,861.58
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Solution
The fourth proportional to 77,203.68, 115,860.90 and 32,861.58 is: 49,315.94
Step by Step Solution
- Step 1: Write the proportion equation
77,203.68 : 115,860.90 = 32,861.58 : x - Step 2: Convert to fraction form
77,203.68/115,860.90 = 32,861.58/x - Step 3: Cross multiply
77,203.68x = 115,860.90 × 32,861.58 - Step 4: Simplify right side
77,203.68x = 3,807,372,234.22 - Step 5: Solve for x
x = 3,807,372,234.22/77,203.68 - Step 6: Final answer
x = 49,315.94
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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.