Finding the Fourth Proportional to 75,238.63, 112,778.37 and 27,823.25
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Solution
The fourth proportional to 75,238.63, 112,778.37 and 27,823.25 is: 41,705.45
Step by Step Solution
- Step 1: Write the proportion equation
75,238.63 : 112,778.37 = 27,823.25 : x - Step 2: Convert to fraction form
75,238.63/112,778.37 = 27,823.25/x - Step 3: Cross multiply
75,238.63x = 112,778.37 × 27,823.25 - Step 4: Simplify right side
75,238.63x = 3,137,861,065.05 - Step 5: Solve for x
x = 3,137,861,065.05/75,238.63 - Step 6: Final answer
x = 41,705.45
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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.