Finding the Fourth Proportional to 88,608.20, 122,278.21 and 48,321.02
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Solution
The fourth proportional to 88,608.20, 122,278.21 and 48,321.02 is: 66,682.41
Step by Step Solution
- Step 1: Write the proportion equation
88,608.20 : 122,278.21 = 48,321.02 : x - Step 2: Convert to fraction form
88,608.20/122,278.21 = 48,321.02/x - Step 3: Cross multiply
88,608.20x = 122,278.21 × 48,321.02 - Step 4: Simplify right side
88,608.20x = 5,908,608,015.87 - Step 5: Solve for x
x = 5,908,608,015.87/88,608.20 - Step 6: Final answer
x = 66,682.41
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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.