Finding the Fourth Proportional to 82,217.53, 122,970.00 and 48,402.98
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Solution
The fourth proportional to 82,217.53, 122,970.00 and 48,402.98 is: 72,394.71
Step by Step Solution
- Step 1: Write the proportion equation
82,217.53 : 122,970.00 = 48,402.98 : x - Step 2: Convert to fraction form
82,217.53/122,970.00 = 48,402.98/x - Step 3: Cross multiply
82,217.53x = 122,970.00 × 48,402.98 - Step 4: Simplify right side
82,217.53x = 5,952,114,379.06 - Step 5: Solve for x
x = 5,952,114,379.06/82,217.53 - Step 6: Final answer
x = 72,394.71
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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.