Finding the Fourth Proportional to 71,214.08, 106,858.25 and 51,654.10
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Solution
The fourth proportional to 71,214.08, 106,858.25 and 51,654.10 is: 77,508.09
Step by Step Solution
- Step 1: Write the proportion equation
71,214.08 : 106,858.25 = 51,654.10 : x - Step 2: Convert to fraction form
71,214.08/106,858.25 = 51,654.10/x - Step 3: Cross multiply
71,214.08x = 106,858.25 × 51,654.10 - Step 4: Simplify right side
71,214.08x = 5,519,666,593.31 - Step 5: Solve for x
x = 5,519,666,593.31/71,214.08 - Step 6: Final answer
x = 77,508.09
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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.