Finding the Fourth Proportional to 92,928.13, 128,232.86 and 51,536.46
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Solution
The fourth proportional to 92,928.13, 128,232.86 and 51,536.46 is: 71,115.90
Step by Step Solution
- Step 1: Write the proportion equation
92,928.13 : 128,232.86 = 51,536.46 : x - Step 2: Convert to fraction form
92,928.13/128,232.86 = 51,536.46/x - Step 3: Cross multiply
92,928.13x = 128,232.86 × 51,536.46 - Step 4: Simplify right side
92,928.13x = 6,608,667,660.08 - Step 5: Solve for x
x = 6,608,667,660.08/92,928.13 - Step 6: Final answer
x = 71,115.90
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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.