Finding the Fourth Proportional to 80,835.11, 121,252.68 and 24,675.53
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Solution
The fourth proportional to 80,835.11, 121,252.68 and 24,675.53 is: 37,013.30
Step by Step Solution
- Step 1: Write the proportion equation
80,835.11 : 121,252.68 = 24,675.53 : x - Step 2: Convert to fraction form
80,835.11/121,252.68 = 24,675.53/x - Step 3: Cross multiply
80,835.11x = 121,252.68 × 24,675.53 - Step 4: Simplify right side
80,835.11x = 2,991,974,142.92 - Step 5: Solve for x
x = 2,991,974,142.92/80,835.11 - Step 6: Final answer
x = 37,013.30
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1.5x scale
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.