Finding the Fourth Proportional to 104,212.44, 143,812.68 and 56,465.79
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Solution
The fourth proportional to 104,212.44, 143,812.68 and 56,465.79 is: 77,922.53
Step by Step Solution
- Step 1: Write the proportion equation
104,212.44 : 143,812.68 = 56,465.79 : x - Step 2: Convert to fraction form
104,212.44/143,812.68 = 56,465.79/x - Step 3: Cross multiply
104,212.44x = 143,812.68 × 56,465.79 - Step 4: Simplify right side
104,212.44x = 8,120,496,588.22 - Step 5: Solve for x
x = 8,120,496,588.22/104,212.44 - Step 6: Final answer
x = 77,922.53
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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.