Finding the Fourth Proportional to 86,506.97, 129,765.60 and 24,177.47
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Solution
The fourth proportional to 86,506.97, 129,765.60 and 24,177.47 is: 36,267.64
Step by Step Solution
- Step 1: Write the proportion equation
86,506.97 : 129,765.60 = 24,177.47 : x - Step 2: Convert to fraction form
86,506.97/129,765.60 = 24,177.47/x - Step 3: Cross multiply
86,506.97x = 129,765.60 × 24,177.47 - Step 4: Simplify right side
86,506.97x = 3,137,403,252.20 - Step 5: Solve for x
x = 3,137,403,252.20/86,506.97 - Step 6: Final answer
x = 36,267.64
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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.