Finding the Fourth Proportional to 83,614.70, 125,441.20 and 36,237.75
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Solution
The fourth proportional to 83,614.70, 125,441.20 and 36,237.75 is: 54,364.92
Step by Step Solution
- Step 1: Write the proportion equation
83,614.70 : 125,441.20 = 36,237.75 : x - Step 2: Convert to fraction form
83,614.70/125,441.20 = 36,237.75/x - Step 3: Cross multiply
83,614.70x = 125,441.20 × 36,237.75 - Step 4: Simplify right side
83,614.70x = 4,545,706,845.30 - Step 5: Solve for x
x = 4,545,706,845.30/83,614.70 - Step 6: Final answer
x = 54,364.92
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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.