Finding the Fourth Proportional to 70,879.83, 106,385.36 and 35,844.09
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Solution
The fourth proportional to 70,879.83, 106,385.36 and 35,844.09 is: 53,799.31
Step by Step Solution
- Step 1: Write the proportion equation
70,879.83 : 106,385.36 = 35,844.09 : x - Step 2: Convert to fraction form
70,879.83/106,385.36 = 35,844.09/x - Step 3: Cross multiply
70,879.83x = 106,385.36 × 35,844.09 - Step 4: Simplify right side
70,879.83x = 3,813,286,239.30 - Step 5: Solve for x
x = 3,813,286,239.30/70,879.83 - Step 6: Final answer
x = 53,799.31
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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.