Finding the Fourth Proportional to 92,872.44, 128,163.60 and 52,588.98
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Solution
The fourth proportional to 92,872.44, 128,163.60 and 52,588.98 is: 72,572.58
Step by Step Solution
- Step 1: Write the proportion equation
92,872.44 : 128,163.60 = 52,588.98 : x - Step 2: Convert to fraction form
92,872.44/128,163.60 = 52,588.98/x - Step 3: Cross multiply
92,872.44x = 128,163.60 × 52,588.98 - Step 4: Simplify right side
92,872.44x = 6,739,992,997.13 - Step 5: Solve for x
x = 6,739,992,997.13/92,872.44 - Step 6: Final answer
x = 72,572.58
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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.