Finding the Fourth Proportional to 84,013.90, 125,958.24 and 36,619.99
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Solution
The fourth proportional to 84,013.90, 125,958.24 and 36,619.99 is: 54,902.69
Step by Step Solution
- Step 1: Write the proportion equation
84,013.90 : 125,958.24 = 36,619.99 : x - Step 2: Convert to fraction form
84,013.90/125,958.24 = 36,619.99/x - Step 3: Cross multiply
84,013.90x = 125,958.24 × 36,619.99 - Step 4: Simplify right side
84,013.90x = 4,612,589,174.32 - Step 5: Solve for x
x = 4,612,589,174.32/84,013.90 - Step 6: Final answer
x = 54,902.69
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1.5x scale
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.