Finding the Fourth Proportional to 84,486.24, 126,703.44 and 58,358.88
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Solution
The fourth proportional to 84,486.24, 126,703.44 and 58,358.88 is: 87,520.42
Step by Step Solution
- Step 1: Write the proportion equation
84,486.24 : 126,703.44 = 58,358.88 : x - Step 2: Convert to fraction form
84,486.24/126,703.44 = 58,358.88/x - Step 3: Cross multiply
84,486.24x = 126,703.44 × 58,358.88 - Step 4: Simplify right side
84,486.24x = 7,394,270,850.55 - Step 5: Solve for x
x = 7,394,270,850.55/84,486.24 - Step 6: Final answer
x = 87,520.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.