Finding the Fourth Proportional to 86,361.20, 119,176.26 and 48,120.92
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Solution
The fourth proportional to 86,361.20, 119,176.26 and 48,120.92 is: 66,405.65
Step by Step Solution
- Step 1: Write the proportion equation
86,361.20 : 119,176.26 = 48,120.92 : x - Step 2: Convert to fraction form
86,361.20/119,176.26 = 48,120.92/x - Step 3: Cross multiply
86,361.20x = 119,176.26 × 48,120.92 - Step 4: Simplify right side
86,361.20x = 5,734,871,273.36 - Step 5: Solve for x
x = 5,734,871,273.36/86,361.20 - Step 6: Final answer
x = 66,405.65
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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.