Finding the Fourth Proportional to 88,194.81, 121,706.02 and 49,957.88
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Solution
The fourth proportional to 88,194.81, 121,706.02 and 49,957.88 is: 68,940.28
Step by Step Solution
- Step 1: Write the proportion equation
88,194.81 : 121,706.02 = 49,957.88 : x - Step 2: Convert to fraction form
88,194.81/121,706.02 = 49,957.88/x - Step 3: Cross multiply
88,194.81x = 121,706.02 × 49,957.88 - Step 4: Simplify right side
88,194.81x = 6,080,174,742.44 - Step 5: Solve for x
x = 6,080,174,742.44/88,194.81 - Step 6: Final answer
x = 68,940.28
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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.