Finding the Fourth Proportional to 83,527.26, 125,288.97 and 20,347.62
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Solution
The fourth proportional to 83,527.26, 125,288.97 and 20,347.62 is: 30,520.96
Step by Step Solution
- Step 1: Write the proportion equation
83,527.26 : 125,288.97 = 20,347.62 : x - Step 2: Convert to fraction form
83,527.26/125,288.97 = 20,347.62/x - Step 3: Cross multiply
83,527.26x = 125,288.97 × 20,347.62 - Step 4: Simplify right side
83,527.26x = 2,549,332,351.75 - Step 5: Solve for x
x = 2,549,332,351.75/83,527.26 - Step 6: Final answer
x = 30,520.96
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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.