Finding the Fourth Proportional to 84,644.28, 116,809.74 and 46,918.50
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Solution
The fourth proportional to 84,644.28, 116,809.74 and 46,918.50 is: 64,747.88
Step by Step Solution
- Step 1: Write the proportion equation
84,644.28 : 116,809.74 = 46,918.50 : x - Step 2: Convert to fraction form
84,644.28/116,809.74 = 46,918.50/x - Step 3: Cross multiply
84,644.28x = 116,809.74 × 46,918.50 - Step 4: Simplify right side
84,644.28x = 5,480,537,786.19 - Step 5: Solve for x
x = 5,480,537,786.19/84,644.28 - Step 6: Final answer
x = 64,747.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.