Finding the Fourth Proportional to 88,823.45, 122,571.20 and 48,537.55
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Solution
The fourth proportional to 88,823.45, 122,571.20 and 48,537.55 is: 66,978.99
Step by Step Solution
- Step 1: Write the proportion equation
88,823.45 : 122,571.20 = 48,537.55 : x - Step 2: Convert to fraction form
88,823.45/122,571.20 = 48,537.55/x - Step 3: Cross multiply
88,823.45x = 122,571.20 × 48,537.55 - Step 4: Simplify right side
88,823.45x = 5,949,305,197.14 - Step 5: Solve for x
x = 5,949,305,197.14/88,823.45 - Step 6: Final answer
x = 66,978.99
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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.