Finding the Fourth Proportional to 97,736.24, 134,866.64 and 55,286.48
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Solution
The fourth proportional to 97,736.24, 134,866.64 and 55,286.48 is: 76,290.04
Step by Step Solution
- Step 1: Write the proportion equation
97,736.24 : 134,866.64 = 55,286.48 : x - Step 2: Convert to fraction form
97,736.24/134,866.64 = 55,286.48/x - Step 3: Cross multiply
97,736.24x = 134,866.64 × 55,286.48 - Step 4: Simplify right side
97,736.24x = 7,456,301,795.03 - Step 5: Solve for x
x = 7,456,301,795.03/97,736.24 - Step 6: Final answer
x = 76,290.04
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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.