Finding the Fourth Proportional to 88,487.19, 122,134.38 and 54,524.79
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Solution
The fourth proportional to 88,487.19, 122,134.38 and 54,524.79 is: 75,257.80
Step by Step Solution
- Step 1: Write the proportion equation
88,487.19 : 122,134.38 = 54,524.79 : x - Step 2: Convert to fraction form
88,487.19/122,134.38 = 54,524.79/x - Step 3: Cross multiply
88,487.19x = 122,134.38 × 54,524.79 - Step 4: Simplify right side
88,487.19x = 6,659,351,421.28 - Step 5: Solve for x
x = 6,659,351,421.28/88,487.19 - Step 6: Final answer
x = 75,257.80
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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.