Finding the Fourth Proportional to 79,370.71, 109,532.94 and 43,564.06
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Solution
The fourth proportional to 79,370.71, 109,532.94 and 43,564.06 is: 60,119.15
Step by Step Solution
- Step 1: Write the proportion equation
79,370.71 : 109,532.94 = 43,564.06 : x - Step 2: Convert to fraction form
79,370.71/109,532.94 = 43,564.06/x - Step 3: Cross multiply
79,370.71x = 109,532.94 × 43,564.06 - Step 4: Simplify right side
79,370.71x = 4,771,699,570.14 - Step 5: Solve for x
x = 4,771,699,570.14/79,370.71 - Step 6: Final answer
x = 60,119.15
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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.