Finding the Fourth Proportional to 88,789.28, 122,523.84 and 51,063.68
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Solution
The fourth proportional to 88,789.28, 122,523.84 and 51,063.68 is: 70,464.79
Step by Step Solution
- Step 1: Write the proportion equation
88,789.28 : 122,523.84 = 51,063.68 : x - Step 2: Convert to fraction form
88,789.28/122,523.84 = 51,063.68/x - Step 3: Cross multiply
88,789.28x = 122,523.84 × 51,063.68 - Step 4: Simplify right side
88,789.28x = 6,256,518,158.13 - Step 5: Solve for x
x = 6,256,518,158.13/88,789.28 - Step 6: Final answer
x = 70,464.79
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1.5x scale
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.