Finding the Fourth Proportional to 88,960.75, 122,765.93 and 51,235.09
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Solution
The fourth proportional to 88,960.75, 122,765.93 and 51,235.09 is: 70,704.48
Step by Step Solution
- Step 1: Write the proportion equation
88,960.75 : 122,765.93 = 51,235.09 : x - Step 2: Convert to fraction form
88,960.75/122,765.93 = 51,235.09/x - Step 3: Cross multiply
88,960.75x = 122,765.93 × 51,235.09 - Step 4: Simplify right side
88,960.75x = 6,289,923,216.31 - Step 5: Solve for x
x = 6,289,923,216.31/88,960.75 - Step 6: Final answer
x = 70,704.48
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1.5x scale
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.