Finding the Fourth Proportional to 87,847.83, 121,230.99 and 47,562.44
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Solution
The fourth proportional to 87,847.83, 121,230.99 and 47,562.44 is: 65,636.69
Step by Step Solution
- Step 1: Write the proportion equation
87,847.83 : 121,230.99 = 47,562.44 : x - Step 2: Convert to fraction form
87,847.83/121,230.99 = 47,562.44/x - Step 3: Cross multiply
87,847.83x = 121,230.99 × 47,562.44 - Step 4: Simplify right side
87,847.83x = 5,766,041,081.86 - Step 5: Solve for x
x = 5,766,041,081.86/87,847.83 - Step 6: Final answer
x = 65,636.69
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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.