Finding the Fourth Proportional to 80,106.97, 120,134.03 and 29,494.32
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Solution
The fourth proportional to 80,106.97, 120,134.03 and 29,494.32 is: 44,231.75
Step by Step Solution
- Step 1: Write the proportion equation
80,106.97 : 120,134.03 = 29,494.32 : x - Step 2: Convert to fraction form
80,106.97/120,134.03 = 29,494.32/x - Step 3: Cross multiply
80,106.97x = 120,134.03 × 29,494.32 - Step 4: Simplify right side
80,106.97x = 3,543,271,376.24 - Step 5: Solve for x
x = 3,543,271,376.24/80,106.97 - Step 6: Final answer
x = 44,231.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.