Finding the Fourth Proportional to 129,027.96, 193,605.35 and 58,000.79
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Solution
The fourth proportional to 129,027.96, 193,605.35 and 58,000.79 is: 87,029.68
Step by Step Solution
- Step 1: Write the proportion equation
129,027.96 : 193,605.35 = 58,000.79 : x - Step 2: Convert to fraction form
129,027.96/193,605.35 = 58,000.79/x - Step 3: Cross multiply
129,027.96x = 193,605.35 × 58,000.79 - Step 4: Simplify right side
129,027.96x = 11,229,261,990.20 - Step 5: Solve for x
x = 11,229,261,990.20/129,027.96 - Step 6: Final answer
x = 87,029.68
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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.