Finding the Fourth Proportional to 97,882.44, 135,138.42 and 87,793.08
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Solution
The fourth proportional to 97,882.44, 135,138.42 and 87,793.08 is: 121,208.85
Step by Step Solution
- Step 1: Write the proportion equation
97,882.44 : 135,138.42 = 87,793.08 : x - Step 2: Convert to fraction form
97,882.44/135,138.42 = 87,793.08/x - Step 3: Cross multiply
97,882.44x = 135,138.42 × 87,793.08 - Step 4: Simplify right side
97,882.44x = 11,864,218,118.13 - Step 5: Solve for x
x = 11,864,218,118.13/97,882.44 - Step 6: Final answer
x = 121,208.85
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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.