Finding the Fourth Proportional to 83,516.19, 125,107.21 and 50,217.90
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Solution
The fourth proportional to 83,516.19, 125,107.21 and 50,217.90 is: 75,226.39
Step by Step Solution
- Step 1: Write the proportion equation
83,516.19 : 125,107.21 = 50,217.90 : x - Step 2: Convert to fraction form
83,516.19/125,107.21 = 50,217.90/x - Step 3: Cross multiply
83,516.19x = 125,107.21 × 50,217.90 - Step 4: Simplify right side
83,516.19x = 6,282,621,361.06 - Step 5: Solve for x
x = 6,282,621,361.06/83,516.19 - Step 6: Final answer
x = 75,226.39
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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.