Finding the Fourth Proportional to 79,832.19, 110,164.66 and 45,817.05
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Solution
The fourth proportional to 79,832.19, 110,164.66 and 45,817.05 is: 63,225.37
Step by Step Solution
- Step 1: Write the proportion equation
79,832.19 : 110,164.66 = 45,817.05 : x - Step 2: Convert to fraction form
79,832.19/110,164.66 = 45,817.05/x - Step 3: Cross multiply
79,832.19x = 110,164.66 × 45,817.05 - Step 4: Simplify right side
79,832.19x = 5,047,419,735.45 - Step 5: Solve for x
x = 5,047,419,735.45/79,832.19 - Step 6: Final answer
x = 63,225.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.