Finding the Fourth Proportional to 70,922.36, 106,394.52 and 24,171.68
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Solution
The fourth proportional to 70,922.36, 106,394.52 and 24,171.68 is: 36,261.26
Step by Step Solution
- Step 1: Write the proportion equation
70,922.36 : 106,394.52 = 24,171.68 : x - Step 2: Convert to fraction form
70,922.36/106,394.52 = 24,171.68/x - Step 3: Cross multiply
70,922.36x = 106,394.52 × 24,171.68 - Step 4: Simplify right side
70,922.36x = 2,571,734,291.19 - Step 5: Solve for x
x = 2,571,734,291.19/70,922.36 - Step 6: Final answer
x = 36,261.26
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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.