Finding the Fourth Proportional to 83,827.28, 125,673.21 and 27,632.31
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Solution
The fourth proportional to 83,827.28, 125,673.21 and 27,632.31 is: 41,426.15
Step by Step Solution
- Step 1: Write the proportion equation
83,827.28 : 125,673.21 = 27,632.31 : x - Step 2: Convert to fraction form
83,827.28/125,673.21 = 27,632.31/x - Step 3: Cross multiply
83,827.28x = 125,673.21 × 27,632.31 - Step 4: Simplify right side
83,827.28x = 3,472,641,097.42 - Step 5: Solve for x
x = 3,472,641,097.42/83,827.28 - Step 6: Final answer
x = 41,426.15
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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.