Finding the Fourth Proportional to 67,481.63, 101,283.87 and 35,918.20
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Solution
The fourth proportional to 67,481.63, 101,283.87 and 35,918.20 is: 53,909.99
Step by Step Solution
- Step 1: Write the proportion equation
67,481.63 : 101,283.87 = 35,918.20 : x - Step 2: Convert to fraction form
67,481.63/101,283.87 = 35,918.20/x - Step 3: Cross multiply
67,481.63x = 101,283.87 × 35,918.20 - Step 4: Simplify right side
67,481.63x = 3,637,933,793.01 - Step 5: Solve for x
x = 3,637,933,793.01/67,481.63 - Step 6: Final answer
x = 53,909.99
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1.5x scale
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.