Finding the Fourth Proportional to 115,824.58, 173,772.18 and 56,651.68
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Solution
The fourth proportional to 115,824.58, 173,772.18 and 56,651.68 is: 84,994.79
Step by Step Solution
- Step 1: Write the proportion equation
115,824.58 : 173,772.18 = 56,651.68 : x - Step 2: Convert to fraction form
115,824.58/173,772.18 = 56,651.68/x - Step 3: Cross multiply
115,824.58x = 173,772.18 × 56,651.68 - Step 4: Simplify right side
115,824.58x = 9,844,485,934.26 - Step 5: Solve for x
x = 9,844,485,934.26/115,824.58 - Step 6: Final answer
x = 84,994.79
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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.