Finding the Fourth Proportional to 71,499.69, 107,183.33 and 26,495.99
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Solution
The fourth proportional to 71,499.69, 107,183.33 and 26,495.99 is: 39,719.45
Step by Step Solution
- Step 1: Write the proportion equation
71,499.69 : 107,183.33 = 26,495.99 : x - Step 2: Convert to fraction form
71,499.69/107,183.33 = 26,495.99/x - Step 3: Cross multiply
71,499.69x = 107,183.33 × 26,495.99 - Step 4: Simplify right side
71,499.69x = 2,839,927,896.77 - Step 5: Solve for x
x = 2,839,927,896.77/71,499.69 - Step 6: Final answer
x = 39,719.45
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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.