Finding the Fourth Proportional to 71,425.95, 107,175.38 and 29,338.35
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Solution
The fourth proportional to 71,425.95, 107,175.38 and 29,338.35 is: 44,022.50
Step by Step Solution
- Step 1: Write the proportion equation
71,425.95 : 107,175.38 = 29,338.35 : x - Step 2: Convert to fraction form
71,425.95/107,175.38 = 29,338.35/x - Step 3: Cross multiply
71,425.95x = 107,175.38 × 29,338.35 - Step 4: Simplify right side
71,425.95x = 3,144,348,663.13 - Step 5: Solve for x
x = 3,144,348,663.13/71,425.95 - Step 6: Final answer
x = 44,022.50
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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.