Finding the Fourth Proportional to 83,579.19, 125,390.66 and 24,420.03
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Solution
The fourth proportional to 83,579.19, 125,390.66 and 24,420.03 is: 36,636.43
Step by Step Solution
- Step 1: Write the proportion equation
83,579.19 : 125,390.66 = 24,420.03 : x - Step 2: Convert to fraction form
83,579.19/125,390.66 = 24,420.03/x - Step 3: Cross multiply
83,579.19x = 125,390.66 × 24,420.03 - Step 4: Simplify right side
83,579.19x = 3,062,043,556.82 - Step 5: Solve for x
x = 3,062,043,556.82/83,579.19 - Step 6: Final answer
x = 36,636.43
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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.