Finding the Fourth Proportional to 115,122.11, 172,710.81 and 44,043.59
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Solution
The fourth proportional to 115,122.11, 172,710.81 and 44,043.59 is: 66,075.96
Step by Step Solution
- Step 1: Write the proportion equation
115,122.11 : 172,710.81 = 44,043.59 : x - Step 2: Convert to fraction form
115,122.11/172,710.81 = 44,043.59/x - Step 3: Cross multiply
115,122.11x = 172,710.81 × 44,043.59 - Step 4: Simplify right side
115,122.11x = 7,606,804,104.21 - Step 5: Solve for x
x = 7,606,804,104.21/115,122.11 - Step 6: Final answer
x = 66,075.96
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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.