Finding the Fourth Proportional to 67,422.85, 101,102.99 and 39,350.98
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Solution
The fourth proportional to 67,422.85, 101,102.99 and 39,350.98 is: 59,008.21
Step by Step Solution
- Step 1: Write the proportion equation
67,422.85 : 101,102.99 = 39,350.98 : x - Step 2: Convert to fraction form
67,422.85/101,102.99 = 39,350.98/x - Step 3: Cross multiply
67,422.85x = 101,102.99 × 39,350.98 - Step 4: Simplify right side
67,422.85x = 3,978,501,667.05 - Step 5: Solve for x
x = 3,978,501,667.05/67,422.85 - Step 6: Final answer
x = 59,008.21
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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.