Finding the Fourth Proportional to 77,593.10, 107,059.59 and 47,367.41
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Solution
The fourth proportional to 77,593.10, 107,059.59 and 47,367.41 is: 65,355.50
Step by Step Solution
- Step 1: Write the proportion equation
77,593.10 : 107,059.59 = 47,367.41 : x - Step 2: Convert to fraction form
77,593.10/107,059.59 = 47,367.41/x - Step 3: Cross multiply
77,593.10x = 107,059.59 × 47,367.41 - Step 4: Simplify right side
77,593.10x = 5,071,135,493.96 - Step 5: Solve for x
x = 5,071,135,493.96/77,593.10 - Step 6: Final answer
x = 65,355.50
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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.