Finding the Fourth Proportional to 80,217.01, 110,749.68 and 51,548.23
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Solution
The fourth proportional to 80,217.01, 110,749.68 and 51,548.23 is: 71,168.82
Step by Step Solution
- Step 1: Write the proportion equation
80,217.01 : 110,749.68 = 51,548.23 : x - Step 2: Convert to fraction form
80,217.01/110,749.68 = 51,548.23/x - Step 3: Cross multiply
80,217.01x = 110,749.68 × 51,548.23 - Step 4: Simplify right side
80,217.01x = 5,708,949,977.07 - Step 5: Solve for x
x = 5,708,949,977.07/80,217.01 - Step 6: Final answer
x = 71,168.82
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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.