Finding the Fourth Proportional to 92,704.58, 138,872.63 and 45,181.09
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Solution
The fourth proportional to 92,704.58, 138,872.63 and 45,181.09 is: 67,681.84
Step by Step Solution
- Step 1: Write the proportion equation
92,704.58 : 138,872.63 = 45,181.09 : x - Step 2: Convert to fraction form
92,704.58/138,872.63 = 45,181.09/x - Step 3: Cross multiply
92,704.58x = 138,872.63 × 45,181.09 - Step 4: Simplify right side
92,704.58x = 6,274,416,826.97 - Step 5: Solve for x
x = 6,274,416,826.97/92,704.58 - Step 6: Final answer
x = 67,681.84
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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.