Finding the Fourth Proportional to 125,824.93, 188,770.07 and 46,939.75
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Solution
The fourth proportional to 125,824.93, 188,770.07 and 46,939.75 is: 70,421.81
Step by Step Solution
- Step 1: Write the proportion equation
125,824.93 : 188,770.07 = 46,939.75 : x - Step 2: Convert to fraction form
125,824.93/188,770.07 = 46,939.75/x - Step 3: Cross multiply
125,824.93x = 188,770.07 × 46,939.75 - Step 4: Simplify right side
125,824.93x = 8,860,819,893.28 - Step 5: Solve for x
x = 8,860,819,893.28/125,824.93 - Step 6: Final answer
x = 70,421.81
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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.