Finding the Fourth Proportional to 67,709.68, 101,588.82 and 30,266.62
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Solution
The fourth proportional to 67,709.68, 101,588.82 and 30,266.62 is: 45,410.79
Step by Step Solution
- Step 1: Write the proportion equation
67,709.68 : 101,588.82 = 30,266.62 : x - Step 2: Convert to fraction form
67,709.68/101,588.82 = 30,266.62/x - Step 3: Cross multiply
67,709.68x = 101,588.82 × 30,266.62 - Step 4: Simplify right side
67,709.68x = 3,074,750,211.19 - Step 5: Solve for x
x = 3,074,750,211.19/67,709.68 - Step 6: Final answer
x = 45,410.79
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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.