Finding the Fourth Proportional to 88,611.08, 122,140.04 and 77,096.52
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Solution
The fourth proportional to 88,611.08, 122,140.04 and 77,096.52 is: 106,268.56
Step by Step Solution
- Step 1: Write the proportion equation
88,611.08 : 122,140.04 = 77,096.52 : x - Step 2: Convert to fraction form
88,611.08/122,140.04 = 77,096.52/x - Step 3: Cross multiply
88,611.08x = 122,140.04 × 77,096.52 - Step 4: Simplify right side
88,611.08x = 9,416,571,651.18 - Step 5: Solve for x
x = 9,416,571,651.18/88,611.08 - Step 6: Final answer
x = 106,268.56
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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.