Finding the Fourth Proportional to 84,204.25, 126,239.28 and 48,625.17
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Solution
The fourth proportional to 84,204.25, 126,239.28 and 48,625.17 is: 72,899.01
Step by Step Solution
- Step 1: Write the proportion equation
84,204.25 : 126,239.28 = 48,625.17 : x - Step 2: Convert to fraction form
84,204.25/126,239.28 = 48,625.17/x - Step 3: Cross multiply
84,204.25x = 126,239.28 × 48,625.17 - Step 4: Simplify right side
84,204.25x = 6,138,406,450.68 - Step 5: Solve for x
x = 6,138,406,450.68/84,204.25 - Step 6: Final answer
x = 72,899.01
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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.