Finding the Fourth Proportional to 79,958.75, 110,352.80 and 46,424.75
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Solution
The fourth proportional to 79,958.75, 110,352.80 and 46,424.75 is: 64,071.80
Step by Step Solution
- Step 1: Write the proportion equation
79,958.75 : 110,352.80 = 46,424.75 : x - Step 2: Convert to fraction form
79,958.75/110,352.80 = 46,424.75/x - Step 3: Cross multiply
79,958.75x = 110,352.80 × 46,424.75 - Step 4: Simplify right side
79,958.75x = 5,123,101,151.80 - Step 5: Solve for x
x = 5,123,101,151.80/79,958.75 - Step 6: Final answer
x = 64,071.80
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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.