Finding the Fourth Proportional to 83,439.96, 125,194.50 and 33,555.42
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Solution
The fourth proportional to 83,439.96, 125,194.50 and 33,555.42 is: 50,347.03
Step by Step Solution
- Step 1: Write the proportion equation
83,439.96 : 125,194.50 = 33,555.42 : x - Step 2: Convert to fraction form
83,439.96/125,194.50 = 33,555.42/x - Step 3: Cross multiply
83,439.96x = 125,194.50 × 33,555.42 - Step 4: Simplify right side
83,439.96x = 4,200,954,029.19 - Step 5: Solve for x
x = 4,200,954,029.19/83,439.96 - Step 6: Final answer
x = 50,347.03
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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.