Finding the Fourth Proportional to 70,801.13, 106,201.70 and 29,249.21
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Solution
The fourth proportional to 70,801.13, 106,201.70 and 29,249.21 is: 43,873.81
Step by Step Solution
- Step 1: Write the proportion equation
70,801.13 : 106,201.70 = 29,249.21 : x - Step 2: Convert to fraction form
70,801.13/106,201.70 = 29,249.21/x - Step 3: Cross multiply
70,801.13x = 106,201.70 × 29,249.21 - Step 4: Simplify right side
70,801.13x = 3,106,315,148.40 - Step 5: Solve for x
x = 3,106,315,148.40/70,801.13 - Step 6: Final answer
x = 43,873.81
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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.