Finding the Fourth Proportional to 79,101.63, 118,653.36 and 26,511.21
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Solution
The fourth proportional to 79,101.63, 118,653.36 and 26,511.21 is: 39,767.12
Step by Step Solution
- Step 1: Write the proportion equation
79,101.63 : 118,653.36 = 26,511.21 : x - Step 2: Convert to fraction form
79,101.63/118,653.36 = 26,511.21/x - Step 3: Cross multiply
79,101.63x = 118,653.36 × 26,511.21 - Step 4: Simplify right side
79,101.63x = 3,145,644,144.17 - Step 5: Solve for x
x = 3,145,644,144.17/79,101.63 - Step 6: Final answer
x = 39,767.12
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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.