Finding the Fourth Proportional to 83,423.88, 125,134.76 and 20,244.53
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Solution
The fourth proportional to 83,423.88, 125,134.76 and 20,244.53 is: 30,366.54
Step by Step Solution
- Step 1: Write the proportion equation
83,423.88 : 125,134.76 = 20,244.53 : x - Step 2: Convert to fraction form
83,423.88/125,134.76 = 20,244.53/x - Step 3: Cross multiply
83,423.88x = 125,134.76 × 20,244.53 - Step 4: Simplify right side
83,423.88x = 2,533,294,766.31 - Step 5: Solve for x
x = 2,533,294,766.31/83,423.88 - Step 6: Final answer
x = 30,366.54
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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.