Finding the Fourth Proportional to 91,134.36, 125,765.24 and 50,845.74
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Solution
The fourth proportional to 91,134.36, 125,765.24 and 50,845.74 is: 70,167.02
Step by Step Solution
- Step 1: Write the proportion equation
91,134.36 : 125,765.24 = 50,845.74 : x - Step 2: Convert to fraction form
91,134.36/125,765.24 = 50,845.74/x - Step 3: Cross multiply
91,134.36x = 125,765.24 × 50,845.74 - Step 4: Simplify right side
91,134.36x = 6,394,626,694.08 - Step 5: Solve for x
x = 6,394,626,694.08/91,134.36 - Step 6: Final answer
x = 70,167.02
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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.