Finding the Fourth Proportional to 70,801.06, 106,201.60 and 29,249.14
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Solution
The fourth proportional to 70,801.06, 106,201.60 and 29,249.14 is: 43,873.71
Step by Step Solution
- Step 1: Write the proportion equation
70,801.06 : 106,201.60 = 29,249.14 : x - Step 2: Convert to fraction form
70,801.06/106,201.60 = 29,249.14/x - Step 3: Cross multiply
70,801.06x = 106,201.60 × 29,249.14 - Step 4: Simplify right side
70,801.06x = 3,106,305,466.62 - Step 5: Solve for x
x = 3,106,305,466.62/70,801.06 - Step 6: Final answer
x = 43,873.71
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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.