Finding the Fourth Proportional to 79,031.18, 118,578.81 and 34,634.54
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Solution
The fourth proportional to 79,031.18, 118,578.81 and 34,634.54 is: 51,965.85
Step by Step Solution
- Step 1: Write the proportion equation
79,031.18 : 118,578.81 = 34,634.54 : x - Step 2: Convert to fraction form
79,031.18/118,578.81 = 34,634.54/x - Step 3: Cross multiply
79,031.18x = 118,578.81 × 34,634.54 - Step 4: Simplify right side
79,031.18x = 4,106,922,538.10 - Step 5: Solve for x
x = 4,106,922,538.10/79,031.18 - Step 6: Final answer
x = 51,965.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.