Finding the Fourth Proportional to 75,466.68, 113,200.20 and 20,062.68
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Solution
The fourth proportional to 75,466.68, 113,200.20 and 20,062.68 is: 30,094.07
Step by Step Solution
- Step 1: Write the proportion equation
75,466.68 : 113,200.20 = 20,062.68 : x - Step 2: Convert to fraction form
75,466.68/113,200.20 = 20,062.68/x - Step 3: Cross multiply
75,466.68x = 113,200.20 × 20,062.68 - Step 4: Simplify right side
75,466.68x = 2,271,099,388.54 - Step 5: Solve for x
x = 2,271,099,388.54/75,466.68 - Step 6: Final answer
x = 30,094.07
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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.