Finding the Fourth Proportional to 75,273.98, 112,887.44 and 27,236.52
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Solution
The fourth proportional to 75,273.98, 112,887.44 and 27,236.52 is: 40,846.27
Step by Step Solution
- Step 1: Write the proportion equation
75,273.98 : 112,887.44 = 27,236.52 : x - Step 2: Convert to fraction form
75,273.98/112,887.44 = 27,236.52/x - Step 3: Cross multiply
75,273.98x = 112,887.44 × 27,236.52 - Step 4: Simplify right side
75,273.98x = 3,074,661,017.31 - Step 5: Solve for x
x = 3,074,661,017.31/75,273.98 - Step 6: Final answer
x = 40,846.27
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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.