Finding the Fourth Proportional to 67,884.39, 101,901.08 and 53,934.09
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Solution
The fourth proportional to 67,884.39, 101,901.08 and 53,934.09 is: 80,960.32
Step by Step Solution
- Step 1: Write the proportion equation
67,884.39 : 101,901.08 = 53,934.09 : x - Step 2: Convert to fraction form
67,884.39/101,901.08 = 53,934.09/x - Step 3: Cross multiply
67,884.39x = 101,901.08 × 53,934.09 - Step 4: Simplify right side
67,884.39x = 5,495,941,750.15 - Step 5: Solve for x
x = 5,495,941,750.15/67,884.39 - Step 6: Final answer
x = 80,960.32
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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.