Finding the Fourth Proportional to 113,954.58, 170,981.91 and 60,633.99
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Solution
The fourth proportional to 113,954.58, 170,981.91 and 60,633.99 is: 90,977.61
Step by Step Solution
- Step 1: Write the proportion equation
113,954.58 : 170,981.91 = 60,633.99 : x - Step 2: Convert to fraction form
113,954.58/170,981.91 = 60,633.99/x - Step 3: Cross multiply
113,954.58x = 170,981.91 × 60,633.99 - Step 4: Simplify right side
113,954.58x = 10,367,315,421.12 - Step 5: Solve for x
x = 10,367,315,421.12/113,954.58 - Step 6: Final answer
x = 90,977.61
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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.