Finding the Fourth Proportional to 82.76, 124.07 and 48.02
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Solution
The fourth proportional to 82.76, 124.07 and 48.02 is: 71.99
Step by Step Solution
- Step 1: Write the proportion equation
82.76 : 124.07 = 48.02 : x - Step 2: Convert to fraction form
82.76/124.07 = 48.02/x - Step 3: Cross multiply
82.76x = 124.07 × 48.02 - Step 4: Simplify right side
82.76x = 5,957.91 - Step 5: Solve for x
x = 5,957.91/82.76 - Step 6: Final answer
x = 71.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.