Finding the Fourth Proportional to 104,102.84, 143,661.97 and 56,356.19
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Solution
The fourth proportional to 104,102.84, 143,661.97 and 56,356.19 is: 77,771.56
Step by Step Solution
- Step 1: Write the proportion equation
104,102.84 : 143,661.97 = 56,356.19 : x - Step 2: Convert to fraction form
104,102.84/143,661.97 = 56,356.19/x - Step 3: Cross multiply
104,102.84x = 143,661.97 × 56,356.19 - Step 4: Simplify right side
104,102.84x = 8,096,240,777.05 - Step 5: Solve for x
x = 8,096,240,777.05/104,102.84 - Step 6: Final answer
x = 77,771.56
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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.