Finding the Fourth Proportional to 83,699.97, 125,494.97 and 47,677.65
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Solution
The fourth proportional to 83,699.97, 125,494.97 and 47,677.65 is: 71,485.15
Step by Step Solution
- Step 1: Write the proportion equation
83,699.97 : 125,494.97 = 47,677.65 : x - Step 2: Convert to fraction form
83,699.97/125,494.97 = 47,677.65/x - Step 3: Cross multiply
83,699.97x = 125,494.97 × 47,677.65 - Step 4: Simplify right side
83,699.97x = 5,983,305,018.03 - Step 5: Solve for x
x = 5,983,305,018.03/83,699.97 - Step 6: Final answer
x = 71,485.15
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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.