Finding the Fourth Proportional to 97,917.09, 135,125.10 and 55,475.52
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Solution
The fourth proportional to 97,917.09, 135,125.10 and 55,475.52 is: 76,555.94
Step by Step Solution
- Step 1: Write the proportion equation
97,917.09 : 135,125.10 = 55,475.52 : x - Step 2: Convert to fraction form
97,917.09/135,125.10 = 55,475.52/x - Step 3: Cross multiply
97,917.09x = 135,125.10 × 55,475.52 - Step 4: Simplify right side
97,917.09x = 7,496,135,187.55 - Step 5: Solve for x
x = 7,496,135,187.55/97,917.09 - Step 6: Final answer
x = 76,555.94
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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.