Finding the Fourth Proportional to 97,764.26, 134,917.52 and 55,321.88
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Solution
The fourth proportional to 97,764.26, 134,917.52 and 55,321.88 is: 76,345.80
Step by Step Solution
- Step 1: Write the proportion equation
97,764.26 : 134,917.52 = 55,321.88 : x - Step 2: Convert to fraction form
97,764.26/134,917.52 = 55,321.88/x - Step 3: Cross multiply
97,764.26x = 134,917.52 × 55,321.88 - Step 4: Simplify right side
97,764.26x = 7,463,889,900.14 - Step 5: Solve for x
x = 7,463,889,900.14/97,764.26 - Step 6: Final answer
x = 76,345.80
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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.