Finding the Fourth Proportional to 82,538.74, 114,010.30 and 68,256.26
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Solution
The fourth proportional to 82,538.74, 114,010.30 and 68,256.26 is: 94,281.99
Step by Step Solution
- Step 1: Write the proportion equation
82,538.74 : 114,010.30 = 68,256.26 : x - Step 2: Convert to fraction form
82,538.74/114,010.30 = 68,256.26/x - Step 3: Cross multiply
82,538.74x = 114,010.30 × 68,256.26 - Step 4: Simplify right side
82,538.74x = 7,781,916,679.48 - Step 5: Solve for x
x = 7,781,916,679.48/82,538.74 - Step 6: Final answer
x = 94,281.99
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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.