Finding the Fourth Proportional to 79,557.36, 109,791.98 and 43,750.10
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Solution
The fourth proportional to 79,557.36, 109,791.98 and 43,750.10 is: 60,376.69
Step by Step Solution
- Step 1: Write the proportion equation
79,557.36 : 109,791.98 = 43,750.10 : x - Step 2: Convert to fraction form
79,557.36/109,791.98 = 43,750.10/x - Step 3: Cross multiply
79,557.36x = 109,791.98 × 43,750.10 - Step 4: Simplify right side
79,557.36x = 4,803,410,104.20 - Step 5: Solve for x
x = 4,803,410,104.20/79,557.36 - Step 6: Final answer
x = 60,376.69
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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.