Finding the Fourth Proportional to 94,155.92, 129,943.14 and 51,723.26
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Solution
The fourth proportional to 94,155.92, 129,943.14 and 51,723.26 is: 71,382.48
Step by Step Solution
- Step 1: Write the proportion equation
94,155.92 : 129,943.14 = 51,723.26 : x - Step 2: Convert to fraction form
94,155.92/129,943.14 = 51,723.26/x - Step 3: Cross multiply
94,155.92x = 129,943.14 × 51,723.26 - Step 4: Simplify right side
94,155.92x = 6,721,082,815.44 - Step 5: Solve for x
x = 6,721,082,815.44/94,155.92 - Step 6: Final answer
x = 71,382.48
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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.