Finding the Fourth Proportional to 79,083.63, 118,626.82 and 29,138.01
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Solution
The fourth proportional to 79,083.63, 118,626.82 and 29,138.01 is: 43,707.52
Step by Step Solution
- Step 1: Write the proportion equation
79,083.63 : 118,626.82 = 29,138.01 : x - Step 2: Convert to fraction form
79,083.63/118,626.82 = 29,138.01/x - Step 3: Cross multiply
79,083.63x = 118,626.82 × 29,138.01 - Step 4: Simplify right side
79,083.63x = 3,456,549,467.43 - Step 5: Solve for x
x = 3,456,549,467.43/79,083.63 - Step 6: Final answer
x = 43,707.52
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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.