Finding the Fourth Proportional to 84,201.25, 126,234.78 and 48,622.17
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Solution
The fourth proportional to 84,201.25, 126,234.78 and 48,622.17 is: 72,894.52
Step by Step Solution
- Step 1: Write the proportion equation
84,201.25 : 126,234.78 = 48,622.17 : x - Step 2: Convert to fraction form
84,201.25/126,234.78 = 48,622.17/x - Step 3: Cross multiply
84,201.25x = 126,234.78 × 48,622.17 - Step 4: Simplify right side
84,201.25x = 6,137,809,360.87 - Step 5: Solve for x
x = 6,137,809,360.87/84,201.25 - Step 6: Final answer
x = 72,894.52
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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.