Finding the Fourth Proportional to 104,264.58, 143,882.82 and 56,516.70
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Solution
The fourth proportional to 104,264.58, 143,882.82 and 56,516.70 is: 77,991.80
Step by Step Solution
- Step 1: Write the proportion equation
104,264.58 : 143,882.82 = 56,516.70 : x - Step 2: Convert to fraction form
104,264.58/143,882.82 = 56,516.70/x - Step 3: Cross multiply
104,264.58x = 143,882.82 × 56,516.70 - Step 4: Simplify right side
104,264.58x = 8,131,782,173.09 - Step 5: Solve for x
x = 8,131,782,173.09/104,264.58 - Step 6: Final answer
x = 77,991.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.