Finding the Fourth Proportional to 86,595.44, 129,961.11 and 44,473.82
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Solution
The fourth proportional to 86,595.44, 129,961.11 and 44,473.82 is: 66,745.63
Step by Step Solution
- Step 1: Write the proportion equation
86,595.44 : 129,961.11 = 44,473.82 : x - Step 2: Convert to fraction form
86,595.44/129,961.11 = 44,473.82/x - Step 3: Cross multiply
86,595.44x = 129,961.11 × 44,473.82 - Step 4: Simplify right side
86,595.44x = 5,779,867,013.14 - Step 5: Solve for x
x = 5,779,867,013.14/86,595.44 - Step 6: Final answer
x = 66,745.63
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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.