Finding the Fourth Proportional to 84,102.44, 126,241.14 and 61,940.84
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Solution
The fourth proportional to 84,102.44, 126,241.14 and 61,940.84 is: 92,975.69
Step by Step Solution
- Step 1: Write the proportion equation
84,102.44 : 126,241.14 = 61,940.84 : x - Step 2: Convert to fraction form
84,102.44/126,241.14 = 61,940.84/x - Step 3: Cross multiply
84,102.44x = 126,241.14 × 61,940.84 - Step 4: Simplify right side
84,102.44x = 7,819,482,254.16 - Step 5: Solve for x
x = 7,819,482,254.16/84,102.44 - Step 6: Final answer
x = 92,975.69
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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.