Finding the Fourth Proportional to 73,928.55, 110,902.04 and 28,944.09
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Solution
The fourth proportional to 73,928.55, 110,902.04 and 28,944.09 is: 43,419.74
Step by Step Solution
- Step 1: Write the proportion equation
73,928.55 : 110,902.04 = 28,944.09 : x - Step 2: Convert to fraction form
73,928.55/110,902.04 = 28,944.09/x - Step 3: Cross multiply
73,928.55x = 110,902.04 × 28,944.09 - Step 4: Simplify right side
73,928.55x = 3,209,958,482.22 - Step 5: Solve for x
x = 3,209,958,482.22/73,928.55 - Step 6: Final answer
x = 43,419.74
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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.