Finding the Fourth Proportional to 79,893.13, 110,232.84 and 48,840.52
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Solution
The fourth proportional to 79,893.13, 110,232.84 and 48,840.52 is: 67,387.89
Step by Step Solution
- Step 1: Write the proportion equation
79,893.13 : 110,232.84 = 48,840.52 : x - Step 2: Convert to fraction form
79,893.13/110,232.84 = 48,840.52/x - Step 3: Cross multiply
79,893.13x = 110,232.84 × 48,840.52 - Step 4: Simplify right side
79,893.13x = 5,383,829,226.68 - Step 5: Solve for x
x = 5,383,829,226.68/79,893.13 - Step 6: Final answer
x = 67,387.89
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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.