Finding the Fourth Proportional to 71,982.06, 107,751.66 and 46,968.24
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Solution
The fourth proportional to 71,982.06, 107,751.66 and 46,968.24 is: 70,307.88
Step by Step Solution
- Step 1: Write the proportion equation
71,982.06 : 107,751.66 = 46,968.24 : x - Step 2: Convert to fraction form
71,982.06/107,751.66 = 46,968.24/x - Step 3: Cross multiply
71,982.06x = 107,751.66 × 46,968.24 - Step 4: Simplify right side
71,982.06x = 5,060,905,827.28 - Step 5: Solve for x
x = 5,060,905,827.28/71,982.06 - Step 6: Final answer
x = 70,307.88
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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.