Finding the Fourth Proportional to 70,806.48, 106,251.84 and 35,749.68
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Solution
The fourth proportional to 70,806.48, 106,251.84 and 35,749.68 is: 53,645.79
Step by Step Solution
- Step 1: Write the proportion equation
70,806.48 : 106,251.84 = 35,749.68 : x - Step 2: Convert to fraction form
70,806.48/106,251.84 = 35,749.68/x - Step 3: Cross multiply
70,806.48x = 106,251.84 × 35,749.68 - Step 4: Simplify right side
70,806.48x = 3,798,469,279.41 - Step 5: Solve for x
x = 3,798,469,279.41/70,806.48 - Step 6: Final answer
x = 53,645.79
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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.