Finding the Fourth Proportional to 94,159.82, 129,963.18 and 53,896.92
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Solution
The fourth proportional to 94,159.82, 129,963.18 and 53,896.92 is: 74,390.70
Step by Step Solution
- Step 1: Write the proportion equation
94,159.82 : 129,963.18 = 53,896.92 : x - Step 2: Convert to fraction form
94,159.82/129,963.18 = 53,896.92/x - Step 3: Cross multiply
94,159.82x = 129,963.18 × 53,896.92 - Step 4: Simplify right side
94,159.82x = 7,004,614,845.92 - Step 5: Solve for x
x = 7,004,614,845.92/94,159.82 - Step 6: Final answer
x = 74,390.70
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1.5x scale
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.