Finding the Fourth Proportional to 77,550.21, 107,011.73 and 43,551
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Solution
The fourth proportional to 77,550.21, 107,011.73 and 43,551 is: 60,096.14
Step by Step Solution
- Step 1: Write the proportion equation
77,550.21 : 107,011.73 = 43,551 : x - Step 2: Convert to fraction form
77,550.21/107,011.73 = 43,551/x - Step 3: Cross multiply
77,550.21x = 107,011.73 × 43,551 - Step 4: Simplify right side
77,550.21x = 4,660,467,962.11 - Step 5: Solve for x
x = 4,660,467,962.11/77,550.21 - Step 6: Final answer
x = 60,096.14
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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.