Finding the Fourth Proportional to 91,257.93, 125,934.60 and 50,972.27
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Solution
The fourth proportional to 91,257.93, 125,934.60 and 50,972.27 is: 70,340.99
Step by Step Solution
- Step 1: Write the proportion equation
91,257.93 : 125,934.60 = 50,972.27 : x - Step 2: Convert to fraction form
91,257.93/125,934.60 = 50,972.27/x - Step 3: Cross multiply
91,257.93x = 125,934.60 × 50,972.27 - Step 4: Simplify right side
91,257.93x = 6,419,172,433.54 - Step 5: Solve for x
x = 6,419,172,433.54/91,257.93 - Step 6: Final answer
x = 70,340.99
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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.