Finding the Fourth Proportional to 86,893.27, 119,884.84 and 48,647.20
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Solution
The fourth proportional to 86,893.27, 119,884.84 and 48,647.20 is: 67,117.52
Step by Step Solution
- Step 1: Write the proportion equation
86,893.27 : 119,884.84 = 48,647.20 : x - Step 2: Convert to fraction form
86,893.27/119,884.84 = 48,647.20/x - Step 3: Cross multiply
86,893.27x = 119,884.84 × 48,647.20 - Step 4: Simplify right side
86,893.27x = 5,832,061,189.02 - Step 5: Solve for x
x = 5,832,061,189.02/86,893.27 - Step 6: Final answer
x = 67,117.52
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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.