Finding the Fourth Proportional to 103,699.68, 155,579.76 and 33,577.44
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Solution
The fourth proportional to 103,699.68, 155,579.76 and 33,577.44 is: 50,375.95
Step by Step Solution
- Step 1: Write the proportion equation
103,699.68 : 155,579.76 = 33,577.44 : x - Step 2: Convert to fraction form
103,699.68/155,579.76 = 33,577.44/x - Step 3: Cross multiply
103,699.68x = 155,579.76 × 33,577.44 - Step 4: Simplify right side
103,699.68x = 5,223,970,056.61 - Step 5: Solve for x
x = 5,223,970,056.61/103,699.68 - Step 6: Final answer
x = 50,375.95
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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.