Finding the Fourth Proportional to 80,006.12, 110,393.22 and 48,177.08
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Solution
The fourth proportional to 80,006.12, 110,393.22 and 48,177.08 is: 66,475.20
Step by Step Solution
- Step 1: Write the proportion equation
80,006.12 : 110,393.22 = 48,177.08 : x - Step 2: Convert to fraction form
80,006.12/110,393.22 = 48,177.08/x - Step 3: Cross multiply
80,006.12x = 110,393.22 × 48,177.08 - Step 4: Simplify right side
80,006.12x = 5,318,422,991.40 - Step 5: Solve for x
x = 5,318,422,991.40/80,006.12 - Step 6: Final answer
x = 66,475.20
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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.