Finding the Fourth Proportional to 79,441.68, 119,212.74 and 44,404.32
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Solution
The fourth proportional to 79,441.68, 119,212.74 and 44,404.32 is: 66,634.55
Step by Step Solution
- Step 1: Write the proportion equation
79,441.68 : 119,212.74 = 44,404.32 : x - Step 2: Convert to fraction form
79,441.68/119,212.74 = 44,404.32/x - Step 3: Cross multiply
79,441.68x = 119,212.74 × 44,404.32 - Step 4: Simplify right side
79,441.68x = 5,293,560,655.04 - Step 5: Solve for x
x = 5,293,560,655.04/79,441.68 - Step 6: Final answer
x = 66,634.55
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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.