Finding the Fourth Proportional to 67,701.68, 101,576.84 and 30,258.64
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Solution
The fourth proportional to 67,701.68, 101,576.84 and 30,258.64 is: 45,398.83
Step by Step Solution
- Step 1: Write the proportion equation
67,701.68 : 101,576.84 = 30,258.64 : x - Step 2: Convert to fraction form
67,701.68/101,576.84 = 30,258.64/x - Step 3: Cross multiply
67,701.68x = 101,576.84 × 30,258.64 - Step 4: Simplify right side
67,701.68x = 3,073,577,033.90 - Step 5: Solve for x
x = 3,073,577,033.90/67,701.68 - Step 6: Final answer
x = 45,398.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.