Finding the Fourth Proportional to 82,897.13, 114,415.68 and 48,892.93
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Solution
The fourth proportional to 82,897.13, 114,415.68 and 48,892.93 is: 67,482.65
Step by Step Solution
- Step 1: Write the proportion equation
82,897.13 : 114,415.68 = 48,892.93 : x - Step 2: Convert to fraction form
82,897.13/114,415.68 = 48,892.93/x - Step 3: Cross multiply
82,897.13x = 114,415.68 × 48,892.93 - Step 4: Simplify right side
82,897.13x = 5,594,117,833.14 - Step 5: Solve for x
x = 5,594,117,833.14/82,897.13 - Step 6: Final answer
x = 67,482.65
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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.