Finding the Fourth Proportional to 97,764.80, 134,914.92 and 53,052.80
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Solution
The fourth proportional to 97,764.80, 134,914.92 and 53,052.80 is: 73,212.59
Step by Step Solution
- Step 1: Write the proportion equation
97,764.80 : 134,914.92 = 53,052.80 : x - Step 2: Convert to fraction form
97,764.80/134,914.92 = 53,052.80/x - Step 3: Cross multiply
97,764.80x = 134,914.92 × 53,052.80 - Step 4: Simplify right side
97,764.80x = 7,157,614,267.78 - Step 5: Solve for x
x = 7,157,614,267.78/97,764.80 - Step 6: Final answer
x = 73,212.59
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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.