Finding the Fourth Proportional to 68,770.62, 103,157.36 and 22,023.36
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Solution
The fourth proportional to 68,770.62, 103,157.36 and 22,023.36 is: 33,035.50
Step by Step Solution
- Step 1: Write the proportion equation
68,770.62 : 103,157.36 = 22,023.36 : x - Step 2: Convert to fraction form
68,770.62/103,157.36 = 22,023.36/x - Step 3: Cross multiply
68,770.62x = 103,157.36 × 22,023.36 - Step 4: Simplify right side
68,770.62x = 2,271,871,675.93 - Step 5: Solve for x
x = 2,271,871,675.93/68,770.62 - Step 6: Final answer
x = 33,035.50
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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.