Finding the Fourth Proportional to 82,122.19, 113,328.89 and 44,396.71
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Solution
The fourth proportional to 82,122.19, 113,328.89 and 44,396.71 is: 61,267.60
Step by Step Solution
- Step 1: Write the proportion equation
82,122.19 : 113,328.89 = 44,396.71 : x - Step 2: Convert to fraction form
82,122.19/113,328.89 = 44,396.71/x - Step 3: Cross multiply
82,122.19x = 113,328.89 × 44,396.71 - Step 4: Simplify right side
82,122.19x = 5,031,429,525.13 - Step 5: Solve for x
x = 5,031,429,525.13/82,122.19 - Step 6: Final answer
x = 61,267.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.