Finding the Fourth Proportional to 91,077.18, 125,686.27 and 50,790.99
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Solution
The fourth proportional to 91,077.18, 125,686.27 and 50,790.99 is: 70,091.43
Step by Step Solution
- Step 1: Write the proportion equation
91,077.18 : 125,686.27 = 50,790.99 : x - Step 2: Convert to fraction form
91,077.18/125,686.27 = 50,790.99/x - Step 3: Cross multiply
91,077.18x = 125,686.27 × 50,790.99 - Step 4: Simplify right side
91,077.18x = 6,383,729,955.73 - Step 5: Solve for x
x = 6,383,729,955.73/91,077.18 - Step 6: Final answer
x = 70,091.43
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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.