Finding the Fourth Proportional to 88,785.94, 122,519.28 and 48,491.68
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Solution
The fourth proportional to 88,785.94, 122,519.28 and 48,491.68 is: 66,915.61
Step by Step Solution
- Step 1: Write the proportion equation
88,785.94 : 122,519.28 = 48,491.68 : x - Step 2: Convert to fraction form
88,785.94/122,519.28 = 48,491.68/x - Step 3: Cross multiply
88,785.94x = 122,519.28 × 48,491.68 - Step 4: Simplify right side
88,785.94x = 5,941,165,719.59 - Step 5: Solve for x
x = 5,941,165,719.59/88,785.94 - Step 6: Final answer
x = 66,915.61
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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.