Finding the Fourth Proportional to 83,423.49, 125,134.17 and 20,244.13
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Solution
The fourth proportional to 83,423.49, 125,134.17 and 20,244.13 is: 30,365.93
Step by Step Solution
- Step 1: Write the proportion equation
83,423.49 : 125,134.17 = 20,244.13 : x - Step 2: Convert to fraction form
83,423.49/125,134.17 = 20,244.13/x - Step 3: Cross multiply
83,423.49x = 125,134.17 × 20,244.13 - Step 4: Simplify right side
83,423.49x = 2,533,231,779.25 - Step 5: Solve for x
x = 2,533,231,779.25/83,423.49 - Step 6: Final answer
x = 30,365.93
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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.