Finding the Fourth Proportional to 88,516.80, 132,580.80 and 76,852.80
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Solution
The fourth proportional to 88,516.80, 132,580.80 and 76,852.80 is: 115,110.42
Step by Step Solution
- Step 1: Write the proportion equation
88,516.80 : 132,580.80 = 76,852.80 : x - Step 2: Convert to fraction form
88,516.80/132,580.80 = 76,852.80/x - Step 3: Cross multiply
88,516.80x = 132,580.80 × 76,852.80 - Step 4: Simplify right side
88,516.80x = 10,189,205,706.24 - Step 5: Solve for x
x = 10,189,205,706.24/88,516.80 - Step 6: Final answer
x = 115,110.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.