Finding the Fourth Proportional to 87,991.83, 131,913.58 and 59,832.99
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Solution
The fourth proportional to 87,991.83, 131,913.58 and 59,832.99 is: 89,699.05
Step by Step Solution
- Step 1: Write the proportion equation
87,991.83 : 131,913.58 = 59,832.99 : x - Step 2: Convert to fraction form
87,991.83/131,913.58 = 59,832.99/x - Step 3: Cross multiply
87,991.83x = 131,913.58 × 59,832.99 - Step 4: Simplify right side
87,991.83x = 7,892,783,913.00 - Step 5: Solve for x
x = 7,892,783,913.00/87,991.83 - Step 6: Final answer
x = 89,699.05
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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.