Finding the Fourth Proportional to 84,120.80, 125,797.50 and 62,788.64
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Solution
The fourth proportional to 84,120.80, 125,797.50 and 62,788.64 is: 93,896.56
Step by Step Solution
- Step 1: Write the proportion equation
84,120.80 : 125,797.50 = 62,788.64 : x - Step 2: Convert to fraction form
84,120.80/125,797.50 = 62,788.64/x - Step 3: Cross multiply
84,120.80x = 125,797.50 × 62,788.64 - Step 4: Simplify right side
84,120.80x = 7,898,653,311.41 - Step 5: Solve for x
x = 7,898,653,311.41/84,120.80 - Step 6: Final answer
x = 93,896.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.