Finding the Fourth Proportional to 84,747.24, 127,154.30 and 32,170.68
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Solution
The fourth proportional to 84,747.24, 127,154.30 and 32,170.68 is: 48,268.71
Step by Step Solution
- Step 1: Write the proportion equation
84,747.24 : 127,154.30 = 32,170.68 : x - Step 2: Convert to fraction form
84,747.24/127,154.30 = 32,170.68/x - Step 3: Cross multiply
84,747.24x = 127,154.30 × 32,170.68 - Step 4: Simplify right side
84,747.24x = 4,090,640,295.92 - Step 5: Solve for x
x = 4,090,640,295.92/84,747.24 - Step 6: Final answer
x = 48,268.71
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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.