Finding the Fourth Proportional to 99,718.08, 137,611.14 and 54,396.12
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Solution
The fourth proportional to 99,718.08, 137,611.14 and 54,396.12 is: 75,066.75
Step by Step Solution
- Step 1: Write the proportion equation
99,718.08 : 137,611.14 = 54,396.12 : x - Step 2: Convert to fraction form
99,718.08/137,611.14 = 54,396.12/x - Step 3: Cross multiply
99,718.08x = 137,611.14 × 54,396.12 - Step 4: Simplify right side
99,718.08x = 7,485,512,084.78 - Step 5: Solve for x
x = 7,485,512,084.78/99,718.08 - Step 6: Final answer
x = 75,066.75
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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.