Finding the Fourth Proportional to 67,675.99, 101,531.56 and 20,289.17
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Solution
The fourth proportional to 67,675.99, 101,531.56 and 20,289.17 is: 30,439.02
Step by Step Solution
- Step 1: Write the proportion equation
67,675.99 : 101,531.56 = 20,289.17 : x - Step 2: Convert to fraction form
67,675.99/101,531.56 = 20,289.17/x - Step 3: Cross multiply
67,675.99x = 101,531.56 × 20,289.17 - Step 4: Simplify right side
67,675.99x = 2,059,991,081.21 - Step 5: Solve for x
x = 2,059,991,081.21/67,675.99 - Step 6: Final answer
x = 30,439.02
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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.