Finding the Fourth Proportional to 71,206.19, 106,832.67 and 29,121.67
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Solution
The fourth proportional to 71,206.19, 106,832.67 and 29,121.67 is: 43,692.06
Step by Step Solution
- Step 1: Write the proportion equation
71,206.19 : 106,832.67 = 29,121.67 : x - Step 2: Convert to fraction form
71,206.19/106,832.67 = 29,121.67/x - Step 3: Cross multiply
71,206.19x = 106,832.67 × 29,121.67 - Step 4: Simplify right side
71,206.19x = 3,111,145,081.19 - Step 5: Solve for x
x = 3,111,145,081.19/71,206.19 - Step 6: Final answer
x = 43,692.06
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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.