Finding the Fourth Proportional to 79,632.09, 119,521.98 and 40,216.95
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Solution
The fourth proportional to 79,632.09, 119,521.98 and 40,216.95 is: 60,362.72
Step by Step Solution
- Step 1: Write the proportion equation
79,632.09 : 119,521.98 = 40,216.95 : x - Step 2: Convert to fraction form
79,632.09/119,521.98 = 40,216.95/x - Step 3: Cross multiply
79,632.09x = 119,521.98 × 40,216.95 - Step 4: Simplify right side
79,632.09x = 4,806,809,493.56 - Step 5: Solve for x
x = 4,806,809,493.56/79,632.09 - Step 6: Final answer
x = 60,362.72
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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.