Finding the Fourth Proportional to 67,813.09, 101,708.02 and 17,893.71
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Solution
The fourth proportional to 67,813.09, 101,708.02 and 17,893.71 is: 26,837.50
Step by Step Solution
- Step 1: Write the proportion equation
67,813.09 : 101,708.02 = 17,893.71 : x - Step 2: Convert to fraction form
67,813.09/101,708.02 = 17,893.71/x - Step 3: Cross multiply
67,813.09x = 101,708.02 × 17,893.71 - Step 4: Simplify right side
67,813.09x = 1,819,933,814.55 - Step 5: Solve for x
x = 1,819,933,814.55/67,813.09 - Step 6: Final answer
x = 26,837.50
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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.