Finding the Fourth Proportional to 68,045.65, 101,920.75 and 32,911.63
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Solution
The fourth proportional to 68,045.65, 101,920.75 and 32,911.63 is: 49,295.99
Step by Step Solution
- Step 1: Write the proportion equation
68,045.65 : 101,920.75 = 32,911.63 : x - Step 2: Convert to fraction form
68,045.65/101,920.75 = 32,911.63/x - Step 3: Cross multiply
68,045.65x = 101,920.75 × 32,911.63 - Step 4: Simplify right side
68,045.65x = 3,354,378,013.32 - Step 5: Solve for x
x = 3,354,378,013.32/68,045.65 - Step 6: Final answer
x = 49,295.99
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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.