Finding the Fourth Proportional to 68,381.95, 102,550.77 and 22,777.53
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Solution
The fourth proportional to 68,381.95, 102,550.77 and 22,777.53 is: 34,158.92
Step by Step Solution
- Step 1: Write the proportion equation
68,381.95 : 102,550.77 = 22,777.53 : x - Step 2: Convert to fraction form
68,381.95/102,550.77 = 22,777.53/x - Step 3: Cross multiply
68,381.95x = 102,550.77 × 22,777.53 - Step 4: Simplify right side
68,381.95x = 2,335,853,240.20 - Step 5: Solve for x
x = 2,335,853,240.20/68,381.95 - Step 6: Final answer
x = 34,158.92
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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.