Finding the Fourth Proportional to 83,412.18, 115,052.60 and 51,596.80
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Solution
The fourth proportional to 83,412.18, 115,052.60 and 51,596.80 is: 71,168.81
Step by Step Solution
- Step 1: Write the proportion equation
83,412.18 : 115,052.60 = 51,596.80 : x - Step 2: Convert to fraction form
83,412.18/115,052.60 = 51,596.80/x - Step 3: Cross multiply
83,412.18x = 115,052.60 × 51,596.80 - Step 4: Simplify right side
83,412.18x = 5,936,345,833.04 - Step 5: Solve for x
x = 5,936,345,833.04/83,412.18 - Step 6: Final answer
x = 71,168.81
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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.