Finding the Fourth Proportional to 97,954.14, 135,176.70 and 53,242.14
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Solution
The fourth proportional to 97,954.14, 135,176.70 and 53,242.14 is: 73,474.15
Step by Step Solution
- Step 1: Write the proportion equation
97,954.14 : 135,176.70 = 53,242.14 : x - Step 2: Convert to fraction form
97,954.14/135,176.70 = 53,242.14/x - Step 3: Cross multiply
97,954.14x = 135,176.70 × 53,242.14 - Step 4: Simplify right side
97,954.14x = 7,197,096,786.14 - Step 5: Solve for x
x = 7,197,096,786.14/97,954.14 - Step 6: Final answer
x = 73,474.15
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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.