Finding the Fourth Proportional to 103,750.96, 155,629.44 and 40,568.52
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Solution
The fourth proportional to 103,750.96, 155,629.44 and 40,568.52 is: 60,853.95
Step by Step Solution
- Step 1: Write the proportion equation
103,750.96 : 155,629.44 = 40,568.52 : x - Step 2: Convert to fraction form
103,750.96/155,629.44 = 40,568.52/x - Step 3: Cross multiply
103,750.96x = 155,629.44 × 40,568.52 - Step 4: Simplify right side
103,750.96x = 6,313,656,049.23 - Step 5: Solve for x
x = 6,313,656,049.23/103,750.96 - Step 6: Final answer
x = 60,853.95
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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.