Finding the Fourth Proportional to 75,652.75, 104,365.74 and 48,803.91
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Solution
The fourth proportional to 75,652.75, 104,365.74 and 48,803.91 is: 67,326.78
Step by Step Solution
- Step 1: Write the proportion equation
75,652.75 : 104,365.74 = 48,803.91 : x - Step 2: Convert to fraction form
75,652.75/104,365.74 = 48,803.91/x - Step 3: Cross multiply
75,652.75x = 104,365.74 × 48,803.91 - Step 4: Simplify right side
75,652.75x = 5,093,456,182.04 - Step 5: Solve for x
x = 5,093,456,182.04/75,652.75 - Step 6: Final answer
x = 67,326.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.