Finding the Fourth Proportional to 88,530.42, 122,171.79 and 48,244.09
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Solution
The fourth proportional to 88,530.42, 122,171.79 and 48,244.09 is: 66,576.74
Step by Step Solution
- Step 1: Write the proportion equation
88,530.42 : 122,171.79 = 48,244.09 : x - Step 2: Convert to fraction form
88,530.42/122,171.79 = 48,244.09/x - Step 3: Cross multiply
88,530.42x = 122,171.79 × 48,244.09 - Step 4: Simplify right side
88,530.42x = 5,894,066,707.71 - Step 5: Solve for x
x = 5,894,066,707.71/88,530.42 - Step 6: Final answer
x = 66,576.74
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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.