Finding the Fourth Proportional to 71,538.93, 107,242.70 and 24,759.09
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Solution
The fourth proportional to 71,538.93, 107,242.70 and 24,759.09 is: 37,115.90
Step by Step Solution
- Step 1: Write the proportion equation
71,538.93 : 107,242.70 = 24,759.09 : x - Step 2: Convert to fraction form
71,538.93/107,242.70 = 24,759.09/x - Step 3: Cross multiply
71,538.93x = 107,242.70 × 24,759.09 - Step 4: Simplify right side
71,538.93x = 2,655,231,537.35 - Step 5: Solve for x
x = 2,655,231,537.35/71,538.93 - Step 6: Final answer
x = 37,115.90
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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.