Finding the Fourth Proportional to 86,176.83, 118,923.73 and 48,451.08
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Solution
The fourth proportional to 86,176.83, 118,923.73 and 48,451.08 is: 66,862.32
Step by Step Solution
- Step 1: Write the proportion equation
86,176.83 : 118,923.73 = 48,451.08 : x - Step 2: Convert to fraction form
86,176.83/118,923.73 = 48,451.08/x - Step 3: Cross multiply
86,176.83x = 118,923.73 × 48,451.08 - Step 4: Simplify right side
86,176.83x = 5,761,983,035.00 - Step 5: Solve for x
x = 5,761,983,035.00/86,176.83 - Step 6: Final answer
x = 66,862.32
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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.