Finding the Fourth Proportional to 83,873.22, 125,680.62 and 38,866.81
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Solution
The fourth proportional to 83,873.22, 125,680.62 and 38,866.81 is: 58,240.34
Step by Step Solution
- Step 1: Write the proportion equation
83,873.22 : 125,680.62 = 38,866.81 : x - Step 2: Convert to fraction form
83,873.22/125,680.62 = 38,866.81/x - Step 3: Cross multiply
83,873.22x = 125,680.62 × 38,866.81 - Step 4: Simplify right side
83,873.22x = 4,884,804,778.22 - Step 5: Solve for x
x = 4,884,804,778.22/83,873.22 - Step 6: Final answer
x = 58,240.34
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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.