Finding the Fourth Proportional to 79,743.84, 119,634.56 and 44,707.68
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Solution
The fourth proportional to 79,743.84, 119,634.56 and 44,707.68 is: 67,072.06
Step by Step Solution
- Step 1: Write the proportion equation
79,743.84 : 119,634.56 = 44,707.68 : x - Step 2: Convert to fraction form
79,743.84/119,634.56 = 44,707.68/x - Step 3: Cross multiply
79,743.84x = 119,634.56 × 44,707.68 - Step 4: Simplify right side
79,743.84x = 5,348,583,625.42 - Step 5: Solve for x
x = 5,348,583,625.42/79,743.84 - Step 6: Final answer
x = 67,072.06
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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.