Finding the Fourth Proportional to 83,733.15, 125,706.35 and 54,274.26
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Solution
The fourth proportional to 83,733.15, 125,706.35 and 54,274.26 is: 81,480.50
Step by Step Solution
- Step 1: Write the proportion equation
83,733.15 : 125,706.35 = 54,274.26 : x - Step 2: Convert to fraction form
83,733.15/125,706.35 = 54,274.26/x - Step 3: Cross multiply
83,733.15x = 125,706.35 × 54,274.26 - Step 4: Simplify right side
83,733.15x = 6,822,619,123.55 - Step 5: Solve for x
x = 6,822,619,123.55/83,733.15 - Step 6: Final answer
x = 81,480.50
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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.