Finding the Fourth Proportional to 126,683.44, 174,825.36 and 69,327.84
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Solution
The fourth proportional to 126,683.44, 174,825.36 and 69,327.84 is: 95,673.64
Step by Step Solution
- Step 1: Write the proportion equation
126,683.44 : 174,825.36 = 69,327.84 : x - Step 2: Convert to fraction form
126,683.44/174,825.36 = 69,327.84/x - Step 3: Cross multiply
126,683.44x = 174,825.36 × 69,327.84 - Step 4: Simplify right side
126,683.44x = 12,120,265,241.62 - Step 5: Solve for x
x = 12,120,265,241.62/126,683.44 - Step 6: Final answer
x = 95,673.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.