Finding the Fourth Proportional to 82,868.36, 124,927.23 and 77,523.08
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Solution
The fourth proportional to 82,868.36, 124,927.23 and 77,523.08 is: 116,869.02
Step by Step Solution
- Step 1: Write the proportion equation
82,868.36 : 124,927.23 = 77,523.08 : x - Step 2: Convert to fraction form
82,868.36/124,927.23 = 77,523.08/x - Step 3: Cross multiply
82,868.36x = 124,927.23 × 77,523.08 - Step 4: Simplify right side
82,868.36x = 9,684,743,645.47 - Step 5: Solve for x
x = 9,684,743,645.47/82,868.36 - Step 6: Final answer
x = 116,869.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.