Finding the Fourth Proportional to 75,952.67, 113,866.11 and 47,864.75
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Solution
The fourth proportional to 75,952.67, 113,866.11 and 47,864.75 is: 71,757.49
Step by Step Solution
- Step 1: Write the proportion equation
75,952.67 : 113,866.11 = 47,864.75 : x - Step 2: Convert to fraction form
75,952.67/113,866.11 = 47,864.75/x - Step 3: Cross multiply
75,952.67x = 113,866.11 × 47,864.75 - Step 4: Simplify right side
75,952.67x = 5,450,172,319.29 - Step 5: Solve for x
x = 5,450,172,319.29/75,952.67 - Step 6: Final answer
x = 71,757.49
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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.