Finding the Fourth Proportional to 82,995.48, 114,497.28 and 56,128.08
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Solution
The fourth proportional to 82,995.48, 114,497.28 and 56,128.08 is: 77,432.08
Step by Step Solution
- Step 1: Write the proportion equation
82,995.48 : 114,497.28 = 56,128.08 : x - Step 2: Convert to fraction form
82,995.48/114,497.28 = 56,128.08/x - Step 3: Cross multiply
82,995.48x = 114,497.28 × 56,128.08 - Step 4: Simplify right side
82,995.48x = 6,426,512,491.62 - Step 5: Solve for x
x = 6,426,512,491.62/82,995.48 - Step 6: Final answer
x = 77,432.08
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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.