Finding the Fourth Proportional to 84,027.58, 115,953.48 and 52,195.90
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Solution
The fourth proportional to 84,027.58, 115,953.48 and 52,195.90 is: 72,027.50
Step by Step Solution
- Step 1: Write the proportion equation
84,027.58 : 115,953.48 = 52,195.90 : x - Step 2: Convert to fraction form
84,027.58/115,953.48 = 52,195.90/x - Step 3: Cross multiply
84,027.58x = 115,953.48 × 52,195.90 - Step 4: Simplify right side
84,027.58x = 6,052,296,246.73 - Step 5: Solve for x
x = 6,052,296,246.73/84,027.58 - Step 6: Final answer
x = 72,027.50
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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.