Finding the Fourth Proportional to 91,078.08, 125,688.48 and 50,794.44
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Solution
The fourth proportional to 91,078.08, 125,688.48 and 50,794.44 is: 70,096.73
Step by Step Solution
- Step 1: Write the proportion equation
91,078.08 : 125,688.48 = 50,794.44 : x - Step 2: Convert to fraction form
91,078.08/125,688.48 = 50,794.44/x - Step 3: Cross multiply
91,078.08x = 125,688.48 × 50,794.44 - Step 4: Simplify right side
91,078.08x = 6,384,275,956.05 - Step 5: Solve for x
x = 6,384,275,956.05/91,078.08 - Step 6: Final answer
x = 70,096.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.