Finding the Fourth Proportional to 87,095.04, 120,191.12 and 49,371.68
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Solution
The fourth proportional to 87,095.04, 120,191.12 and 49,371.68 is: 68,132.90
Step by Step Solution
- Step 1: Write the proportion equation
87,095.04 : 120,191.12 = 49,371.68 : x - Step 2: Convert to fraction form
87,095.04/120,191.12 = 49,371.68/x - Step 3: Cross multiply
87,095.04x = 120,191.12 × 49,371.68 - Step 4: Simplify right side
87,095.04x = 5,934,037,515.48 - Step 5: Solve for x
x = 5,934,037,515.48/87,095.04 - Step 6: Final answer
x = 68,132.90
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1.5x scale
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.