Finding the Fourth Proportional to 80,157.26, 110,652.45 and 47,903.26
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Solution
The fourth proportional to 80,157.26, 110,652.45 and 47,903.26 is: 66,127.67
Step by Step Solution
- Step 1: Write the proportion equation
80,157.26 : 110,652.45 = 47,903.26 : x - Step 2: Convert to fraction form
80,157.26/110,652.45 = 47,903.26/x - Step 3: Cross multiply
80,157.26x = 110,652.45 × 47,903.26 - Step 4: Simplify right side
80,157.26x = 5,300,613,081.99 - Step 5: Solve for x
x = 5,300,613,081.99/80,157.26 - Step 6: Final answer
x = 66,127.67
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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.