Finding the Fourth Proportional to 77,576.08, 116,387.48 and 27,649.68
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Solution
The fourth proportional to 77,576.08, 116,387.48 and 27,649.68 is: 41,482.85
Step by Step Solution
- Step 1: Write the proportion equation
77,576.08 : 116,387.48 = 27,649.68 : x - Step 2: Convert to fraction form
77,576.08/116,387.48 = 27,649.68/x - Step 3: Cross multiply
77,576.08x = 116,387.48 × 27,649.68 - Step 4: Simplify right side
77,576.08x = 3,218,076,578.01 - Step 5: Solve for x
x = 3,218,076,578.01/77,576.08 - Step 6: Final answer
x = 41,482.85
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1.5x scale
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.