Finding the Fourth Proportional to 84,926.24, 117,195.36 and 47,199.68
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Solution
The fourth proportional to 84,926.24, 117,195.36 and 47,199.68 is: 65,133.97
Step by Step Solution
- Step 1: Write the proportion equation
84,926.24 : 117,195.36 = 47,199.68 : x - Step 2: Convert to fraction form
84,926.24/117,195.36 = 47,199.68/x - Step 3: Cross multiply
84,926.24x = 117,195.36 × 47,199.68 - Step 4: Simplify right side
84,926.24x = 5,531,583,489.48 - Step 5: Solve for x
x = 5,531,583,489.48/84,926.24 - Step 6: Final answer
x = 65,133.97
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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.