Finding the Fourth Proportional to 71,441.46, 107,154.60 and 29,325.96
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Solution
The fourth proportional to 71,441.46, 107,154.60 and 29,325.96 is: 43,985.82
Step by Step Solution
- Step 1: Write the proportion equation
71,441.46 : 107,154.60 = 29,325.96 : x - Step 2: Convert to fraction form
71,441.46/107,154.60 = 29,325.96/x - Step 3: Cross multiply
71,441.46x = 107,154.60 × 29,325.96 - Step 4: Simplify right side
71,441.46x = 3,142,411,513.42 - Step 5: Solve for x
x = 3,142,411,513.42/71,441.46 - Step 6: Final answer
x = 43,985.82
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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.