Finding the Fourth Proportional to 79,748.30, 110,058.84 and 43,944.68
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Solution
The fourth proportional to 79,748.30, 110,058.84 and 43,944.68 is: 60,647.07
Step by Step Solution
- Step 1: Write the proportion equation
79,748.30 : 110,058.84 = 43,944.68 : x - Step 2: Convert to fraction form
79,748.30/110,058.84 = 43,944.68/x - Step 3: Cross multiply
79,748.30x = 110,058.84 × 43,944.68 - Step 4: Simplify right side
79,748.30x = 4,836,500,780.12 - Step 5: Solve for x
x = 4,836,500,780.12/79,748.30 - Step 6: Final answer
x = 60,647.07
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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.