Finding the Fourth Proportional to 79,748.74, 110,052.72 and 43,937.92
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Solution
The fourth proportional to 79,748.74, 110,052.72 and 43,937.92 is: 60,634.03
Step by Step Solution
- Step 1: Write the proportion equation
79,748.74 : 110,052.72 = 43,937.92 : x - Step 2: Convert to fraction form
79,748.74/110,052.72 = 43,937.92/x - Step 3: Cross multiply
79,748.74x = 110,052.72 × 43,937.92 - Step 4: Simplify right side
79,748.74x = 4,835,487,607.14 - Step 5: Solve for x
x = 4,835,487,607.14/79,748.74 - Step 6: Final answer
x = 60,634.03
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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.