Finding the Fourth Proportional to 80,805.83, 121,215.76 and 24,658.58
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Solution
The fourth proportional to 80,805.83, 121,215.76 and 24,658.58 is: 36,990.02
Step by Step Solution
- Step 1: Write the proportion equation
80,805.83 : 121,215.76 = 24,658.58 : x - Step 2: Convert to fraction form
80,805.83/121,215.76 = 24,658.58/x - Step 3: Cross multiply
80,805.83x = 121,215.76 × 24,658.58 - Step 4: Simplify right side
80,805.83x = 2,989,008,756.61 - Step 5: Solve for x
x = 2,989,008,756.61/80,805.83 - Step 6: Final answer
x = 36,990.02
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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.