Finding the Fourth Proportional to 79,340.26, 109,496.61 and 43,537.18
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Solution
The fourth proportional to 79,340.26, 109,496.61 and 43,537.18 is: 60,085.18
Step by Step Solution
- Step 1: Write the proportion equation
79,340.26 : 109,496.61 = 43,537.18 : x - Step 2: Convert to fraction form
79,340.26/109,496.61 = 43,537.18/x - Step 3: Cross multiply
79,340.26x = 109,496.61 × 43,537.18 - Step 4: Simplify right side
79,340.26x = 4,767,173,618.96 - Step 5: Solve for x
x = 4,767,173,618.96/79,340.26 - Step 6: Final answer
x = 60,085.18
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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.