Finding the Fourth Proportional to 88,964.92, 122,816.01 and 51,231.88
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Solution
The fourth proportional to 88,964.92, 122,816.01 and 51,231.88 is: 70,725.57
Step by Step Solution
- Step 1: Write the proportion equation
88,964.92 : 122,816.01 = 51,231.88 : x - Step 2: Convert to fraction form
88,964.92/122,816.01 = 51,231.88/x - Step 3: Cross multiply
88,964.92x = 122,816.01 × 51,231.88 - Step 4: Simplify right side
88,964.92x = 6,292,095,086.40 - Step 5: Solve for x
x = 6,292,095,086.40/88,964.92 - Step 6: Final answer
x = 70,725.57
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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.