Finding the Fourth Proportional to 77,159.99, 115,754.40 and 35,043.03
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Solution
The fourth proportional to 77,159.99, 115,754.40 and 35,043.03 is: 52,571.09
Step by Step Solution
- Step 1: Write the proportion equation
77,159.99 : 115,754.40 = 35,043.03 : x - Step 2: Convert to fraction form
77,159.99/115,754.40 = 35,043.03/x - Step 3: Cross multiply
77,159.99x = 115,754.40 × 35,043.03 - Step 4: Simplify right side
77,159.99x = 4,056,384,911.83 - Step 5: Solve for x
x = 4,056,384,911.83/77,159.99 - Step 6: Final answer
x = 52,571.09
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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.