Finding the Fourth Proportional to 67,812.47, 101,707.09 and 17,893.08
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Solution
The fourth proportional to 67,812.47, 101,707.09 and 17,893.08 is: 26,836.56
Step by Step Solution
- Step 1: Write the proportion equation
67,812.47 : 101,707.09 = 17,893.08 : x - Step 2: Convert to fraction form
67,812.47/101,707.09 = 17,893.08/x - Step 3: Cross multiply
67,812.47x = 101,707.09 × 17,893.08 - Step 4: Simplify right side
67,812.47x = 1,819,853,053.20 - Step 5: Solve for x
x = 1,819,853,053.20/67,812.47 - Step 6: Final answer
x = 26,836.56
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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.