Finding the Fourth Proportional to 82,750.60, 124,125.90 and 53,201.80
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Solution
The fourth proportional to 82,750.60, 124,125.90 and 53,201.80 is: 79,802.70
Step by Step Solution
- Step 1: Write the proportion equation
82,750.60 : 124,125.90 = 53,201.80 : x - Step 2: Convert to fraction form
82,750.60/124,125.90 = 53,201.80/x - Step 3: Cross multiply
82,750.60x = 124,125.90 × 53,201.80 - Step 4: Simplify right side
82,750.60x = 6,603,721,306.62 - Step 5: Solve for x
x = 6,603,721,306.62/82,750.60 - Step 6: Final answer
x = 79,802.70
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1.5x scale
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.