Finding the Fourth Proportional to 82,750.16, 124,028.04 and 38,282.99
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Solution
The fourth proportional to 82,750.16, 124,028.04 and 38,282.99 is: 57,379.51
Step by Step Solution
- Step 1: Write the proportion equation
82,750.16 : 124,028.04 = 38,282.99 : x - Step 2: Convert to fraction form
82,750.16/124,028.04 = 38,282.99/x - Step 3: Cross multiply
82,750.16x = 124,028.04 × 38,282.99 - Step 4: Simplify right side
82,750.16x = 4,748,163,738.46 - Step 5: Solve for x
x = 4,748,163,738.46/82,750.16 - Step 6: Final answer
x = 57,379.51
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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.