Finding the Fourth Proportional to 87,527.58, 120,788.56 and 49,801.84
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Solution
The fourth proportional to 87,527.58, 120,788.56 and 49,801.84 is: 68,726.82
Step by Step Solution
- Step 1: Write the proportion equation
87,527.58 : 120,788.56 = 49,801.84 : x - Step 2: Convert to fraction form
87,527.58/120,788.56 = 49,801.84/x - Step 3: Cross multiply
87,527.58x = 120,788.56 × 49,801.84 - Step 4: Simplify right side
87,527.58x = 6,015,492,538.95 - Step 5: Solve for x
x = 6,015,492,538.95/87,527.58 - Step 6: Final answer
x = 68,726.82
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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.