Finding the Fourth Proportional to 83,392.72, 125,121.14 and 50,135.74
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Solution
The fourth proportional to 83,392.72, 125,121.14 and 50,135.74 is: 75,222.88
Step by Step Solution
- Step 1: Write the proportion equation
83,392.72 : 125,121.14 = 50,135.74 : x - Step 2: Convert to fraction form
83,392.72/125,121.14 = 50,135.74/x - Step 3: Cross multiply
83,392.72x = 125,121.14 × 50,135.74 - Step 4: Simplify right side
83,392.72x = 6,273,040,943.54 - Step 5: Solve for x
x = 6,273,040,943.54/83,392.72 - Step 6: Final answer
x = 75,222.88
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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.