Finding the Fourth Proportional to 97,764.75, 134,915.36 and 53,052.75
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Solution
The fourth proportional to 97,764.75, 134,915.36 and 53,052.75 is: 73,212.80
Step by Step Solution
- Step 1: Write the proportion equation
97,764.75 : 134,915.36 = 53,052.75 : x - Step 2: Convert to fraction form
97,764.75/134,915.36 = 53,052.75/x - Step 3: Cross multiply
97,764.75x = 134,915.36 × 53,052.75 - Step 4: Simplify right side
97,764.75x = 7,157,630,599.98 - Step 5: Solve for x
x = 7,157,630,599.98/97,764.75 - Step 6: Final answer
x = 73,212.80
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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.