Finding the Fourth Proportional to 92,723.99, 127,959.92 and 50,282.53
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Solution
The fourth proportional to 92,723.99, 127,959.92 and 50,282.53 is: 69,390.32
Step by Step Solution
- Step 1: Write the proportion equation
92,723.99 : 127,959.92 = 50,282.53 : x - Step 2: Convert to fraction form
92,723.99/127,959.92 = 50,282.53/x - Step 3: Cross multiply
92,723.99x = 127,959.92 × 50,282.53 - Step 4: Simplify right side
92,723.99x = 6,434,147,944.89 - Step 5: Solve for x
x = 6,434,147,944.89/92,723.99 - Step 6: Final answer
x = 69,390.32
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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.