Finding the Fourth Proportional to 104,408.25, 144,083.49 and 56,661.62
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Solution
The fourth proportional to 104,408.25, 144,083.49 and 56,661.62 is: 78,193.09
Step by Step Solution
- Step 1: Write the proportion equation
104,408.25 : 144,083.49 = 56,661.62 : x - Step 2: Convert to fraction form
104,408.25/144,083.49 = 56,661.62/x - Step 3: Cross multiply
104,408.25x = 144,083.49 × 56,661.62 - Step 4: Simplify right side
104,408.25x = 8,164,003,238.24 - Step 5: Solve for x
x = 8,164,003,238.24/104,408.25 - Step 6: Final answer
x = 78,193.09
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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.