Finding the Fourth Proportional to 83,683.94, 125,514.97 and 36,925.88
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Solution
The fourth proportional to 83,683.94, 125,514.97 and 36,925.88 is: 55,383.99
Step by Step Solution
- Step 1: Write the proportion equation
83,683.94 : 125,514.97 = 36,925.88 : x - Step 2: Convert to fraction form
83,683.94/125,514.97 = 36,925.88/x - Step 3: Cross multiply
83,683.94x = 125,514.97 × 36,925.88 - Step 4: Simplify right side
83,683.94x = 4,634,750,000.53 - Step 5: Solve for x
x = 4,634,750,000.53/83,683.94 - Step 6: Final answer
x = 55,383.99
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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.