Finding the Fourth Proportional to 104,051.24, 143,591.09 and 56,304.59
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Solution
The fourth proportional to 104,051.24, 143,591.09 and 56,304.59 is: 77,700.54
Step by Step Solution
- Step 1: Write the proportion equation
104,051.24 : 143,591.09 = 56,304.59 : x - Step 2: Convert to fraction form
104,051.24/143,591.09 = 56,304.59/x - Step 3: Cross multiply
104,051.24x = 143,591.09 × 56,304.59 - Step 4: Simplify right side
104,051.24x = 8,084,837,091.13 - Step 5: Solve for x
x = 8,084,837,091.13/104,051.24 - Step 6: Final answer
x = 77,700.54
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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.