Finding the Fourth Proportional to 88,560.21, 132,811.43 and 29,379.99
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Solution
The fourth proportional to 88,560.21, 132,811.43 and 29,379.99 is: 44,060.40
Step by Step Solution
- Step 1: Write the proportion equation
88,560.21 : 132,811.43 = 29,379.99 : x - Step 2: Convert to fraction form
88,560.21/132,811.43 = 29,379.99/x - Step 3: Cross multiply
88,560.21x = 132,811.43 × 29,379.99 - Step 4: Simplify right side
88,560.21x = 3,901,998,338.39 - Step 5: Solve for x
x = 3,901,998,338.39/88,560.21 - Step 6: Final answer
x = 44,060.40
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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.