Finding the Fourth Proportional to 80,511.99, 120,793.50 and 62,803.37
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Solution
The fourth proportional to 80,511.99, 120,793.50 and 62,803.37 is: 94,224.95
Step by Step Solution
- Step 1: Write the proportion equation
80,511.99 : 120,793.50 = 62,803.37 : x - Step 2: Convert to fraction form
80,511.99/120,793.50 = 62,803.37/x - Step 3: Cross multiply
80,511.99x = 120,793.50 × 62,803.37 - Step 4: Simplify right side
80,511.99x = 7,586,238,270.13 - Step 5: Solve for x
x = 7,586,238,270.13/80,511.99 - Step 6: Final answer
x = 94,224.95
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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.