Finding the Fourth Proportional to 71,630.17, 107,452.08 and 29,513.09
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Solution
The fourth proportional to 71,630.17, 107,452.08 and 29,513.09 is: 44,272.45
Step by Step Solution
- Step 1: Write the proportion equation
71,630.17 : 107,452.08 = 29,513.09 : x - Step 2: Convert to fraction form
71,630.17/107,452.08 = 29,513.09/x - Step 3: Cross multiply
71,630.17x = 107,452.08 × 29,513.09 - Step 4: Simplify right side
71,630.17x = 3,171,243,176.36 - Step 5: Solve for x
x = 3,171,243,176.36/71,630.17 - Step 6: Final answer
x = 44,272.45
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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.