Finding the Fourth Proportional to 88,246.06, 121,790.20 and 50,519.50
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Solution
The fourth proportional to 88,246.06, 121,790.20 and 50,519.50 is: 69,723.00
Step by Step Solution
- Step 1: Write the proportion equation
88,246.06 : 121,790.20 = 50,519.50 : x - Step 2: Convert to fraction form
88,246.06/121,790.20 = 50,519.50/x - Step 3: Cross multiply
88,246.06x = 121,790.20 × 50,519.50 - Step 4: Simplify right side
88,246.06x = 6,152,780,008.90 - Step 5: Solve for x
x = 6,152,780,008.90/88,246.06 - Step 6: Final answer
x = 69,723.00
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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.