Finding the Fourth Proportional to 83,555.96, 125,328.06 and 39,192.44
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Solution
The fourth proportional to 83,555.96, 125,328.06 and 39,192.44 is: 58,785.90
Step by Step Solution
- Step 1: Write the proportion equation
83,555.96 : 125,328.06 = 39,192.44 : x - Step 2: Convert to fraction form
83,555.96/125,328.06 = 39,192.44/x - Step 3: Cross multiply
83,555.96x = 125,328.06 × 39,192.44 - Step 4: Simplify right side
83,555.96x = 4,911,912,471.87 - Step 5: Solve for x
x = 4,911,912,471.87/83,555.96 - Step 6: Final answer
x = 58,785.90
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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.