Finding the Fourth Proportional to 83,738.67, 125,318.37 and 51,704.58
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Solution
The fourth proportional to 83,738.67, 125,318.37 and 51,704.58 is: 77,378.03
Step by Step Solution
- Step 1: Write the proportion equation
83,738.67 : 125,318.37 = 51,704.58 : x - Step 2: Convert to fraction form
83,738.67/125,318.37 = 51,704.58/x - Step 3: Cross multiply
83,738.67x = 125,318.37 × 51,704.58 - Step 4: Simplify right side
83,738.67x = 6,479,533,687.13 - Step 5: Solve for x
x = 6,479,533,687.13/83,738.67 - Step 6: Final answer
x = 77,378.03
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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.