Finding the Fourth Proportional to 97,880.92, 135,072.06 and 53,167.96
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Solution
The fourth proportional to 97,880.92, 135,072.06 and 53,167.96 is: 73,369.82
Step by Step Solution
- Step 1: Write the proportion equation
97,880.92 : 135,072.06 = 53,167.96 : x - Step 2: Convert to fraction form
97,880.92/135,072.06 = 53,167.96/x - Step 3: Cross multiply
97,880.92x = 135,072.06 × 53,167.96 - Step 4: Simplify right side
97,880.92x = 7,181,505,883.20 - Step 5: Solve for x
x = 7,181,505,883.20/97,880.92 - Step 6: Final answer
x = 73,369.82
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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.