Finding the Fourth Proportional to 82,995.57, 124,251.14 and 61,742.57
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Solution
The fourth proportional to 82,995.57, 124,251.14 and 61,742.57 is: 92,433.66
Step by Step Solution
- Step 1: Write the proportion equation
82,995.57 : 124,251.14 = 61,742.57 : x - Step 2: Convert to fraction form
82,995.57/124,251.14 = 61,742.57/x - Step 3: Cross multiply
82,995.57x = 124,251.14 × 61,742.57 - Step 4: Simplify right side
82,995.57x = 7,671,584,242.13 - Step 5: Solve for x
x = 7,671,584,242.13/82,995.57 - Step 6: Final answer
x = 92,433.66
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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.