Finding the Fourth Proportional to 86,096.24, 128,903.76 and 46,511.54
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Solution
The fourth proportional to 86,096.24, 128,903.76 and 46,511.54 is: 69,637.33
Step by Step Solution
- Step 1: Write the proportion equation
86,096.24 : 128,903.76 = 46,511.54 : x - Step 2: Convert to fraction form
86,096.24/128,903.76 = 46,511.54/x - Step 3: Cross multiply
86,096.24x = 128,903.76 × 46,511.54 - Step 4: Simplify right side
86,096.24x = 5,995,512,389.39 - Step 5: Solve for x
x = 5,995,512,389.39/86,096.24 - Step 6: Final answer
x = 69,637.33
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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.