Finding the Fourth Proportional to 88,723.01, 122,439.60 and 48,438.47
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Solution
The fourth proportional to 88,723.01, 122,439.60 and 48,438.47 is: 66,846.09
Step by Step Solution
- Step 1: Write the proportion equation
88,723.01 : 122,439.60 = 48,438.47 : x - Step 2: Convert to fraction form
88,723.01/122,439.60 = 48,438.47/x - Step 3: Cross multiply
88,723.01x = 122,439.60 × 48,438.47 - Step 4: Simplify right side
88,723.01x = 5,930,786,279.21 - Step 5: Solve for x
x = 5,930,786,279.21/88,723.01 - Step 6: Final answer
x = 66,846.09
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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.