Finding the Fourth Proportional to 89,825.97, 134,699.97 and 47,696.88
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Solution
The fourth proportional to 89,825.97, 134,699.97 and 47,696.88 is: 71,524.62
Step by Step Solution
- Step 1: Write the proportion equation
89,825.97 : 134,699.97 = 47,696.88 : x - Step 2: Convert to fraction form
89,825.97/134,699.97 = 47,696.88/x - Step 3: Cross multiply
89,825.97x = 134,699.97 × 47,696.88 - Step 4: Simplify right side
89,825.97x = 6,424,768,305.09 - Step 5: Solve for x
x = 6,424,768,305.09/89,825.97 - Step 6: Final answer
x = 71,524.62
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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.