Finding the Fourth Proportional to 79,348.80, 109,497.68 and 43,537.92
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Solution
The fourth proportional to 79,348.80, 109,497.68 and 43,537.92 is: 60,080.32
Step by Step Solution
- Step 1: Write the proportion equation
79,348.80 : 109,497.68 = 43,537.92 : x - Step 2: Convert to fraction form
79,348.80/109,497.68 = 43,537.92/x - Step 3: Cross multiply
79,348.80x = 109,497.68 × 43,537.92 - Step 4: Simplify right side
79,348.80x = 4,767,301,232.03 - Step 5: Solve for x
x = 4,767,301,232.03/79,348.80 - Step 6: Final answer
x = 60,080.32
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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.