Finding the Fourth Proportional to 83,014.20, 124,478.04 and 29,685.62
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Solution
The fourth proportional to 83,014.20, 124,478.04 and 29,685.62 is: 44,512.96
Step by Step Solution
- Step 1: Write the proportion equation
83,014.20 : 124,478.04 = 29,685.62 : x - Step 2: Convert to fraction form
83,014.20/124,478.04 = 29,685.62/x - Step 3: Cross multiply
83,014.20x = 124,478.04 × 29,685.62 - Step 4: Simplify right side
83,014.20x = 3,695,207,793.78 - Step 5: Solve for x
x = 3,695,207,793.78/83,014.20 - Step 6: Final answer
x = 44,512.96
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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.