Finding the Fourth Proportional to 86,584.90, 129,877.35 and 36,701.05
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Solution
The fourth proportional to 86,584.90, 129,877.35 and 36,701.05 is: 55,051.58
Step by Step Solution
- Step 1: Write the proportion equation
86,584.90 : 129,877.35 = 36,701.05 : x - Step 2: Convert to fraction form
86,584.90/129,877.35 = 36,701.05/x - Step 3: Cross multiply
86,584.90x = 129,877.35 × 36,701.05 - Step 4: Simplify right side
86,584.90x = 4,766,635,116.22 - Step 5: Solve for x
x = 4,766,635,116.22/86,584.90 - Step 6: Final answer
x = 55,051.58
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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.