Finding the Fourth Proportional to 82,719.36, 124,090.48 and 26,546.28
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Solution
The fourth proportional to 82,719.36, 124,090.48 and 26,546.28 is: 39,823.09
Step by Step Solution
- Step 1: Write the proportion equation
82,719.36 : 124,090.48 = 26,546.28 : x - Step 2: Convert to fraction form
82,719.36/124,090.48 = 26,546.28/x - Step 3: Cross multiply
82,719.36x = 124,090.48 × 26,546.28 - Step 4: Simplify right side
82,719.36x = 3,294,140,627.41 - Step 5: Solve for x
x = 3,294,140,627.41/82,719.36 - Step 6: Final answer
x = 39,823.09
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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.