Finding the Fourth Proportional to 114,599.26, 158,143.93 and 63,611.84
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Solution
The fourth proportional to 114,599.26, 158,143.93 and 63,611.84 is: 87,782.65
Step by Step Solution
- Step 1: Write the proportion equation
114,599.26 : 158,143.93 = 63,611.84 : x - Step 2: Convert to fraction form
114,599.26/158,143.93 = 63,611.84/x - Step 3: Cross multiply
114,599.26x = 158,143.93 × 63,611.84 - Step 4: Simplify right side
114,599.26x = 10,059,826,372.13 - Step 5: Solve for x
x = 10,059,826,372.13/114,599.26 - Step 6: Final answer
x = 87,782.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.