Finding the Fourth Proportional to 79,886.96, 119,716.23 and 58,660.45
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Solution
The fourth proportional to 79,886.96, 119,716.23 and 58,660.45 is: 87,906.82
Step by Step Solution
- Step 1: Write the proportion equation
79,886.96 : 119,716.23 = 58,660.45 : x - Step 2: Convert to fraction form
79,886.96/119,716.23 = 58,660.45/x - Step 3: Cross multiply
79,886.96x = 119,716.23 × 58,660.45 - Step 4: Simplify right side
79,886.96x = 7,022,608,188.23 - Step 5: Solve for x
x = 7,022,608,188.23/79,886.96 - Step 6: Final answer
x = 87,906.82
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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.