Finding the Fourth Proportional to 73,701.64, 101,676.74 and 48,163.68
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Solution
The fourth proportional to 73,701.64, 101,676.74 and 48,163.68 is: 66,445.28
Step by Step Solution
- Step 1: Write the proportion equation
73,701.64 : 101,676.74 = 48,163.68 : x - Step 2: Convert to fraction form
73,701.64/101,676.74 = 48,163.68/x - Step 3: Cross multiply
73,701.64x = 101,676.74 × 48,163.68 - Step 4: Simplify right side
73,701.64x = 4,897,125,968.80 - Step 5: Solve for x
x = 4,897,125,968.80/73,701.64 - Step 6: Final answer
x = 66,445.28
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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.